{"id":1614,"date":"2022-04-21T07:50:52","date_gmt":"2022-04-21T07:50:52","guid":{"rendered":"https:\/\/www.splashlearn.com\/article-test-new\/?page_id=1614"},"modified":"2023-12-26T02:52:38","modified_gmt":"2023-12-26T02:52:38","slug":"obtuse-angle-definition-with-examples","status":"publish","type":"post","link":"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle","title":{"rendered":"Obtuse Angle &#8211; Definition, Degree, Properties, Examples, FAQs"},"content":{"rendered":"\n<div class=\"wp-block-columns eplus-wrapper is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column eplus-wrapper is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\"><div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\tMath-Vocabulary\n<\/span><\/div>\n\n<div class=\"ub_table-of-contents\" data-showtext=\"show\" data-hidetext=\"hide\" data-scrolltype=\"auto\" id=\"ub_table-of-contents-8f50dc29-6bd6-4341-b8e3-d7009b29848f\" data-initiallyhideonmobile=\"false\"\n                    data-initiallyshow=\"true\"><div class=\"ub_table-of-contents-extra-container\"><div class=\"ub_table-of-contents-container ub_table-of-contents-1-column \"><ul><li><a href=https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle#0-what-is-an-obtuse-angle>What Is an Obtuse Angle?<\/a><\/li><li><a href=https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle#6-types-of-angles>Types of Angles<\/a><\/li><li><a href=https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle#8-real-life-examples-of-obtuse-angles>Real-life Examples of Obtuse Angles<\/a><\/li><li><a href=https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle#9-solved-examples-on-obtuse-angles>Solved Examples on Obtuse Angles<\/a><\/li><li><a href=https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle#10-practice-problems-on-obtuse-angles>Practice Problems on Obtuse Angles<\/a><\/li><li><a href=https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle#11-frequently-asked-questions-about-obtuse-angles>Frequently Asked Questions about Obtuse Angles<\/a><\/li><\/ul><\/div><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"0-what-is-an-obtuse-angle\">What Is an Obtuse Angle?<\/h2>\n\n\n\n<p>An obtuse angle is an angle with <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/angle-measure\">angle measure<\/a> greater than 90\u00b0 and less than 180\u00b0. In other words, it lies between 90\u00b0 and 180\u00b0.<\/p>\n\n\n\n<p>So, what does an obtuse angle look like? How many degrees does an obtuse angle measure? Take a look at the given Obtuse Angle diagram to understand its range better.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"338\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-range.png\" alt=\"Obtuse angle range\" class=\"wp-image-36716\" title=\"Obtuse angle range\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-range.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-range-300x164.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<p>An <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/angle\">angle<\/a> is a geometric figure formed when two rays meet at a common point called <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/vertex\">vertex<\/a>.&nbsp;<\/p>\n\n\n\n<p><strong>Examples of obtuse angles<\/strong>: In the given figure, the angles \u2220XYZ and \u2220ABC are obtuse angles.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"310\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/example-of-an-obtuse-angle.png\" alt=\"Example of an obtuse angle\" class=\"wp-image-36717\" title=\"Example of an obtuse angle\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/example-of-an-obtuse-angle.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/example-of-an-obtuse-angle-300x150.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<div id=\"recommended-games-container-id\" class=\"recommended-games-container\"><h4 class=\"recommended-games-container-headline\">Recommended Games<\/h4><div class=\"recommended-games-container-slides\"><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/add-the-angles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geo_meas_add_angles_pt.png\" alt=\"Add the Angles Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Add the Angles Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/answer-questions-related-to-triangles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geometry_classify_tri_on_side_pt.png\" alt=\"Answer Questions Related to Triangles Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Answer Questions Related to Triangles Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/classify-triangles-and-rectangles-as-closed-shape\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geometry_triangle_rectangle_2_pt.png\" alt=\"Classify Triangles and Rectangles as Closed Shape Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Classify Triangles and Rectangles as Closed Shape Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/classify-triangles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geometry_classify_triangles_pt.png\" alt=\"Classify Triangles Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Classify Triangles Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/draw-angles-in-multiples-of-10-degrees\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geo_meas_draw_angle_1_pt.png\" alt=\"Draw Angles in Multiples of 10 Degrees Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Draw Angles in Multiples of 10 Degrees Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/draw-angles-nearest-5-and-1-degrees\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geo_meas_draw_angle_2_pt.png\" alt=\"Draw Angles Nearest 5 and 1 Degrees Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Draw Angles Nearest 5 and 1 Degrees Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/draw-angles-using-a-protractor\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geo_meas_draw_angle_protractor_pt.png\" alt=\"Draw Angles Using a Protractor Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Draw Angles Using a Protractor Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/find-right-angles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geometry_identify_right_angle_1_pt.png\" alt=\"Find Right Angles Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Find Right Angles Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/find-the-perimeter-of-the-squared-and-the-rectangles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geo_meas_peri_rectangle_2_pt.png\" alt=\"Find the Perimeter of the Squared and the Rectangles Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Find the Perimeter of the Squared and the Rectangles Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><div class=\"game-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-games\/identify-angles-by-their-types\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"games_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t\t<div class=\"game-card-container-inner-block\">\r\n\t\t\t<img decoding=\"async\" class=\"game-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/curriculum_uploads\/images\/playables\/geometry_types_of_angle_pt.png\" alt=\"Identify Angles by their Types Game\">\r\n\t\t<\/div>\r\n\t\r\n\t\t<div class=\"game-card-container-inner\">\r\n\t\t\t<div class=\"game-card-container-inner-name\">Identify Angles by their Types Game<\/div>\r\n\t\t\t<span class=\"game-card-container-inner-cta\">Play<\/span>\r\n\t\t<\/div>\r\n\t<\/a>\r\n<\/div><\/div><p class=\"recommended-games-container-desc\"><a href=\"https:\/\/www.splashlearn.com\/games\">More Games<\/a><\/p><button class=\"scroll-right-arrow\"><\/button><\/div><script type=\"text\/javascript\">\n        document.addEventListener(\"DOMContentLoaded\", function() {\n            const container = document.querySelector(\"#recommended-games-container-id\");\n            const slidesContainer = container.querySelector(\".recommended-games-container-slides\");\n            const cards = slidesContainer.querySelectorAll(\".game-card-container-outer\");\n            const scrollRightArrow = container.querySelector(\".scroll-right-arrow\");\n\n            function adjustContainerStyles() {\n                const numCards = cards.length;\n\n                if (numCards === 1) {\n                    container.style.maxWidth = \"30%\";\n                    container.style.textAlign = \"center\";\n                } else if (numCards === 2) {\n                    container.style.maxWidth = \"50%\";\n                    container.style.textAlign = \"center\";\n                } else if (numCards === 3) {\n                    container.style.maxWidth = \"75%\";\n                    container.style.textAlign = \"center\";\n                } else {\n                    container.style.maxWidth = \"\";\n                    container.style.textAlign = \"\";\n                }\n            }\n\n            function checkScrollPosition() {\n                const maxScrollLeft = slidesContainer.scrollWidth - slidesContainer.clientWidth;\n                if ((slidesContainer.scrollLeft + 10) >= maxScrollLeft) {\n                    scrollRightArrow.style.display = \"none\"; \/\/ Hide the arrow if fully scrolled\n                } else {\n                    scrollRightArrow.style.display = \"block\"; \/\/ Show the arrow if not fully scrolled\n                }\n            }\n\n            scrollRightArrow.addEventListener(\"click\", function() {\n                const scrollAmount = 300; \/\/ Adjust based on the container's width and your needs\n                slidesContainer.scrollLeft += scrollAmount;\n                setTimeout(checkScrollPosition, 100); \/\/ Delay to allow scroll update\n            });\n\n            adjustContainerStyles();\n            checkScrollPosition();\n            slidesContainer.addEventListener(\"scroll\", checkScrollPosition);\n        });\n    <\/script><h2 class=\"wp-block-heading\" id=\"1-obtuse-angle-definition\">Obtuse Angle: Definition<\/h2>\n\n\n\n<p>An angle that measures greater than 90\u00b0 but less than 180\u00b0 is called an obtuse angle.<\/p>\n\n\n\n<p>So, what about angles that measure 90\u00b0 or 180\u00b0? Are they obtuse angles? No!&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An angle that measures 90\u00b0 is a <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/right-angle\">right angle<\/a>.&nbsp;<\/li>\n\n\n\n<li>An angle that measures 180\u00b0 is a <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/straight-angle\">straight angle<\/a>.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>Basically, if an angle is greater than a right angle but smaller than a straight angle, we can call it an obtuse angle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"628\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/right-angle-and-straight-angle.png\" alt=\"Right angle and straight angle\" class=\"wp-image-36718\" title=\"Right angle and straight angle\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/right-angle-and-straight-angle.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/right-angle-and-straight-angle-296x300.png 296w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<div id=\"recommended-worksheets-container-id\" class=\"recommended-games-container\"><h4 class=\"recommended-games-container-headline\">Recommended Worksheets<\/h4><div class=\"recommended-games-container-slides\"><div class=\"worksheet-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-worksheets\/count-sides-and-angles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"worksheets_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t    <div class=\"worksheet-card-container-inner-block\">\r\n\t        <img decoding=\"async\" class=\"worksheet-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/cms_assets\/s\/math-worksheets\/count-sides-and-angles.jpeg\" alt=\"Count Sides and Angles Worksheet\">\r\n\t    <\/div>\r\n\t\t<div class=\"worksheet-card-container-inner\" >\r\n\t\t<\/div><\/a>\r\n<\/div><div class=\"worksheet-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-worksheets\/rectangles-and-triangles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"worksheets_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t    <div class=\"worksheet-card-container-inner-block\">\r\n\t        <img decoding=\"async\" class=\"worksheet-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/cms_assets\/s\/math-worksheets\/rectangles-and-triangles.jpeg\" alt=\"Rectangles and Triangles Worksheet\">\r\n\t    <\/div>\r\n\t\t<div class=\"worksheet-card-container-inner\" >\r\n\t\t<\/div><\/a>\r\n<\/div><div class=\"worksheet-card-container-outer\">\r\n\t<a href=\"https:\/\/www.splashlearn.com\/s\/math-worksheets\/separate-out-the-triangles\" data-vars-ga-category=\"splashlearn_vocab\" data-vars-ga-action=\"worksheets_recommendations\" data-vars-ga-label=\"post_widget\">\r\n\t    <div class=\"worksheet-card-container-inner-block\">\r\n\t        <img decoding=\"async\" class=\"worksheet-card-container-inner-img\" src=\"https:\/\/cdn.splashmath.com\/cms_assets\/s\/math-worksheets\/separate-out-the-triangles.jpeg\" alt=\"Separate Out the Triangles Worksheet\">\r\n\t    <\/div>\r\n\t\t<div class=\"worksheet-card-container-inner\" >\r\n\t\t<\/div><\/a>\r\n<\/div><\/div><p class=\"recommended-games-container-desc\"><a href=\"https:\/\/www.splashlearn.com\/worksheets\">More Worksheets<\/a><\/p><button class=\"scroll-right-arrow\"><\/button><\/div><script type=\"text\/javascript\">\n        document.addEventListener(\"DOMContentLoaded\", function() {\n            const container = document.querySelector(\"#recommended-worksheets-container-id\");\n            const slidesContainer = container.querySelector(\".recommended-games-container-slides\");\n            const cards = slidesContainer.querySelectorAll(\".worksheet-card-container-outer\");\n            const scrollRightArrow = container.querySelector(\".scroll-right-arrow\");\n\n            function adjustContainerStyles() {\n                const numCards = cards.length;\n\n                if (numCards === 1) {\n                    container.style.maxWidth = \"30%\";\n                    container.style.textAlign = \"center\";\n                } else if (numCards === 2) {\n                    container.style.maxWidth = \"50%\";\n                    container.style.textAlign = \"center\";\n                } else if (numCards === 3) {\n                    container.style.maxWidth = \"75%\";\n                    container.style.textAlign = \"center\";\n                } else {\n                    container.style.maxWidth = \"\";\n                    container.style.textAlign = \"\";\n                }\n            }\n\n            function checkScrollPosition() {\n                const maxScrollLeft = slidesContainer.scrollWidth - slidesContainer.clientWidth;\n                if ((slidesContainer.scrollLeft + 10) >= maxScrollLeft) {\n                    scrollRightArrow.style.display = \"none\"; \/\/ Hide the arrow if fully scrolled\n                } else {\n                    scrollRightArrow.style.display = \"block\"; \/\/ Show the arrow if not fully scrolled\n                }\n            }\n\n            scrollRightArrow.addEventListener(\"click\", function() {\n                const scrollAmount = 300; \/\/ Adjust based on the container's width and your needs\n                slidesContainer.scrollLeft += scrollAmount;\n                setTimeout(checkScrollPosition, 100); \/\/ Delay to allow scroll update\n            });\n\n            adjustContainerStyles();\n            checkScrollPosition();\n            slidesContainer.addEventListener(\"scroll\", checkScrollPosition);\n        });\n    <\/script><h2 class=\"wp-block-heading\" id=\"2-degree-range-for-obtuse-angles\">Degree Range for Obtuse Angles<\/h2>\n\n\n\n<p>An obtuse angle measures more than 90 degrees (a right angle) but less than 180 degrees (a straight angle). Thus, the obtuse angle degree range is (90\u00b0,180\u00b0).<\/p>\n\n\n\n<p>Take a look at a few examples of obtuse angles.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"270\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/examples-of-obtuse-angles.png\" alt=\"Examples of obtuse angles\" class=\"wp-image-36719\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/examples-of-obtuse-angles.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/examples-of-obtuse-angles-300x131.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<p>Also, take a look at the non-examples of an obtuse angle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"403\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/non-examples-of-an-obtuse-angle.png\" alt=\"Non-examples of an obtuse angle\" class=\"wp-image-36720\" title=\"Non-examples of an obtuse angle\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/non-examples-of-an-obtuse-angle.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/non-examples-of-an-obtuse-angle-300x195.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-how-to-construct-an-obtuse-angle\">How to Construct an Obtuse Angle<\/h2>\n\n\n\n<p>Let us learn the steps to draw an obtuse angle using a <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/protractor\">protractor<\/a>. Let\u2019s draw an obtuse angle that measures 130\u00b0.<\/p>\n\n\n\n<p><strong>Step 1:<\/strong> First, draw a straight line AB. It will serve as a base line.<\/p>\n\n\n\n<p><strong>Step 2:<\/strong> Place the center of the protractor at point A.&nbsp;<\/p>\n\n\n\n<p><strong>Step 3:<\/strong> Choose the inner scale which has 0 degrees marking near point B for construction. Mark a dot at 130\u00b0 and name it C.<\/p>\n\n\n\n<p><strong>Step 4:<\/strong> Join A and C.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"509\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/construction-of-an-obtuse-angle-130\u00b0-using-a-protractor.png\" alt=\"Construction of an obtuse angle 130\u00b0 using a protractor\" class=\"wp-image-36721\" title=\"Construction of an obtuse angle 130\u00b0 using a protractor\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/construction-of-an-obtuse-angle-130\u00b0-using-a-protractor.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/construction-of-an-obtuse-angle-130\u00b0-using-a-protractor-300x246.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-properties-of-obtuse-angles\">Properties of Obtuse Angles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An obtuse angle measures between 90\u00ba and 180\u00ba.<\/li>\n\n\n\n<li>An obtuse angle is greater than a right angle and an acute angle, but it is smaller than a straight angle (180\u00ba).<\/li>\n\n\n\n<li>The size of an obtuse angle appears bigger than a <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/quarter-circle\">quarter of a circle<\/a> but less than a <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/half-circle\">semicircle<\/a>.<\/li>\n\n\n\n<li>An obtuse angle is always greater than an acute angle.<\/li>\n\n\n\n<li>An obtuse angle is always less than a reflex angle, straight angle, and a complete angle.<br><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-obtuse-triangle-obtuse-angled-triangle\">Obtuse Triangle (Obtuse Angled Triangle)<\/h2>\n\n\n\n<p>An <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-triangle\">obtuse triangle<\/a> is a <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/triangle\">triangle<\/a> in which one of the <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/interior-angles\">interior angles<\/a> measures more than 90\u00b0. The remaining two angles are acute angles.&nbsp;<\/p>\n\n\n\n<p>The side opposite to the obtuse angle is the longest side of the obtuse triangle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"500\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-triangle-example.png\" alt=\"Obtuse triangle - example\" class=\"wp-image-36722\" title=\"Obtuse triangle - example\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-triangle-example.png 627w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-triangle-example-300x239.png 300w\" sizes=\"auto, (max-width: 627px) 100vw, 627px\" \/><\/figure>\n\n\n\n<p>There are two types of obtuse triangles: Isosceles and Scalene. An obtuse equilateral triangle does not exist.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-types-of-angles\">Types of Angles<\/h2>\n\n\n\n<p>Let\u2019s take a quick look at the different <a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/types-of-angles\">types of angles<\/a> based on their measurements.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zero angle: An angle that measures 0\u00b0.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/acute-angle#:~:text=An%20angle%20with%20a%20measurement,an%20acute%20angle%20is%20formed.\">Acute angle<\/a>: An angle that measures less than 90\u00b0 (between 0\u00b0 and 90\u00b0).<\/li>\n\n\n\n<li>Right angle: An angle that measures 90\u00b0.<\/li>\n\n\n\n<li>Obtuse angle: An angle that measures greater than 90\u00b0 and less than 180\u00b0<\/li>\n\n\n\n<li>Straight angle: An angle that measures 180\u00b0.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/reflex-angle#:~:text=Reflex%20angle%20is%20the%20angle,360%20degree%20(complete%20angle).\">Reflex Angle<\/a>: An angle that measures greater than 180\u00b0 and less than 360\u00b0.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/complete-angle\">Complete Angle<\/a>: An angle that measures 360\u00b0.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"345\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/types-of-angles.png\" alt=\"Types of angles\" class=\"wp-image-36723\" title=\"Types of angles\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/types-of-angles.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/types-of-angles-300x167.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-obtuse-angles-in-polygons\">Obtuse Angles in Polygons<\/h2>\n\n\n\n<p>Let\u2019s see a few examples of an obtuse angle in different polygons.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Obtuse Angle in a Triangle (BOLD)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>In triangle MNO, \u2220N = 96\u00b0 is an obtuse angle.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"586\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-triangle.png\" alt=\"Obtuse angle in a triangle\" class=\"wp-image-36724\" title=\"Obtuse angle in a triangle\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-triangle.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-triangle-300x284.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Obtuse Angle in a Parallelogram (BOLD)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>&nbsp; &nbsp;In parallelogram PQRS, \u2220P = 135\u00b0 is an obtuse angle. &nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"443\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-parallelogram.png\" alt=\"Obtuse angle in a parallelogram\" class=\"wp-image-36725\" title=\"Obtuse angle in a parallelogram\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-parallelogram.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-parallelogram-300x214.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Obtuse Angle in a Regular Hexagon (BOLD)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>In the regular hexagon ABCDEF, all the angles are obtuse.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"500\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-regular-hexagon.png\" alt=\"Obtuse angle in a regular hexagon\" class=\"wp-image-36726\" title=\"Obtuse angle in a regular hexagon\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-regular-hexagon.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-in-a-regular-hexagon-300x242.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"8-real-life-examples-of-obtuse-angles\">Real-life Examples of Obtuse Angles<\/h2>\n\n\n\n<p>Let\u2019s take a look at some examples of obtuse angles in real life.&nbsp;<\/p>\n\n\n\n<p>Look at the girl in the picture below. Notice that the outline of her hands forms an angle that is higher than 90\u00b0 but lower than 180\u00b0.&nbsp;Similarly, you can try to find obtuse angles in different objects around you!<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"620\" height=\"468\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-real-life-example.png\" alt=\"Obtuse angle real life example\" class=\"wp-image-36727\" title=\"Obtuse angle real life example\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-real-life-example.png 620w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-angle-real-life-example-300x226.png 300w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"9-solved-examples-on-obtuse-angles\">Solved Examples on Obtuse Angles<\/h2>\n\n\n\n<p><strong>1. Identify the types of interior angles in the given triangle. Is there an obtuse angle present?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"318\" height=\"187\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/triangle-XYZ.png\" alt=\"Triangle XYZ\" class=\"wp-image-36728\" title=\"Triangle XYZ\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/triangle-XYZ.png 318w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/triangle-XYZ-300x176.png 300w\" sizes=\"auto, (max-width: 318px) 100vw, 318px\" \/><\/figure>\n\n\n\n<p><strong>Solution:&nbsp;<\/strong><\/p>\n\n\n\n<p>The triangle has 3 angles.<\/p>\n\n\n\n<p>The angle Y is a 90\u00b0 angle. It\u2019s the right angle.<\/p>\n\n\n\n<p>The angles X and Z measure 60\u00b0 and 30\u00b0 respectively. They are acute angles.<\/p>\n\n\n\n<p>There are no obtuse angles in this triangle.<\/p>\n\n\n\n<p><strong>2. What is the difference between an obtuse angle and an acute angle? Explain with an example.<\/strong><\/p>\n\n\n\n<p><strong>Solution:&nbsp;<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"wj-table-class\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>Obtuse angle<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Acute angle<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">An angle that is larger than 90\u00b0 but smaller than 180\u00b0 is called an obtuse angle.<\/td><td class=\"has-text-align-left\" data-align=\"left\">An angle that is smaller than 90\u00b0 but larger than 0\u00b0 is called an acute angle.&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A triangle is called an obtuse triangle if it has one obtuse angle and two acute angles.<\/td><td class=\"has-text-align-left\" data-align=\"left\">A triangle is called an acute triangle if it has three acute angles.&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">For example, look at the hands of this clock. The angle is greater than 90\u00b0 but less than 180\u00b0. So, we can call it an obtuse angle.\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"199\" class=\"wp-image-36729\" style=\"width: 200px;\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-obtuse-angle.png\" alt=\"Hands of a clock making an obtuse angle\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-obtuse-angle.png 315w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-obtuse-angle-300x300.png 300w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-obtuse-angle-150x150.png 150w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-obtuse-angle-250x250.png 250w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-obtuse-angle-120x120.png 120w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/td><td class=\"has-text-align-left\" data-align=\"left\">For example, look at the hands of this clock.\u00a0The angle of the minute hand and hour hand is smaller than 90\u00b0. So, it is an acute angle.\u00a0<img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"199\" class=\"wp-image-36730\" style=\"width: 200px;\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-acute-angle.png\" alt=\"Hands of a clock making an acute angle\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-acute-angle.png 315w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-acute-angle-300x300.png 300w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-acute-angle-150x150.png 150w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-acute-angle-250x250.png 250w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2022\/04\/hands-of-a-clock-making-an-acute-angle-120x120.png 120w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>3. Identify the types of angles in the triangle ABC.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"266\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-triangle-ABC-with-interior-angles-20\u00b0-40\u00b0-and-120\u00b0.png\" alt=\"Obtuse triangle ABC with interior angles 20\u00b0, 40\u00b0, and 120\u00b0\" class=\"wp-image-36731\" title=\"Obtuse triangle ABC with interior angles 20\u00b0, 40\u00b0, and 120\u00b0\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-triangle-ABC-with-interior-angles-20\u00b0-40\u00b0-and-120\u00b0.png 324w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/obtuse-triangle-ABC-with-interior-angles-20\u00b0-40\u00b0-and-120\u00b0-300x246.png 300w\" sizes=\"auto, (max-width: 324px) 100vw, 324px\" \/><\/figure>\n\n\n\n<p><strong>Solution:&nbsp;<\/strong><\/p>\n\n\n\n<p>The triangle ABC has 3 angles.<\/p>\n\n\n\n<p>\u2220A = 20\u00b0&nbsp; and \u2220C = 40\u00b0 are acute angles.<\/p>\n\n\n\n<p>\u2220B = 120\u00b0 is an obtuse angle as it is greater than 90\u00b0 but less than 180\u00b0.<\/p>\n\n\n\n<p>Thus, the triangle ABC is an obtuse triangle.<\/p>\n\n\n\n<p><strong>4. In the given hexagon ABCDEF, can you tell which angles are obtuse and which are not?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"272\" height=\"272\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/hexagon-ABCDEF.png\" alt=\"Hexagon ABCDEF\" class=\"wp-image-36732\" title=\"Hexagon ABCDEF\" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/hexagon-ABCDEF.png 272w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/hexagon-ABCDEF-150x150.png 150w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/hexagon-ABCDEF-250x250.png 250w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/hexagon-ABCDEF-120x120.png 120w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/figure>\n\n\n\n<p><strong>Solution:<\/strong><\/p>\n\n\n\n<p>In the given hexagon ABCDEF, there are 6 angles.<\/p>\n\n\n\n<p>\u2220A = 84\u00b0 \u2026Acute angle<\/p>\n\n\n\n<p>\u2220B = 128\u00b0 \u2026Obtuse angle<\/p>\n\n\n\n<p>\u2220C = 150\u00b0 \u2026Obtuse angle<\/p>\n\n\n\n<p>\u2220D = 168\u00b0 \u2026Obtuse angle<\/p>\n\n\n\n<p>\u2220E = 103\u00b0 \u2026Obtuse angle<\/p>\n\n\n\n<p>\u2220F = 87\u00b0 \u2026Acute angle<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"10-practice-problems-on-obtuse-angles\">Practice Problems on Obtuse Angles<\/h2>\n\n\n\n<div class=\"spq_wrapper\"><h2 style=\"display:none;\">Obtuse Angle - Definition, Degree, Properties, Examples, FAQs<\/h2><p style=\"display:none;\">Attend this quiz & Test your knowledge.<\/p><div class=\"spq_question_wrapper\" data-answer=\"2\"><span class=\"spq_question_header\"><span class=\"sqp_question_number\">1<\/span><h3 class=\"sqp_question_text\">Which of these angles is an obtuse angle?<\/h3><\/span><div class=\"spq_answer_block\" data-value=\"0\">39\u00b0<\/div><div class=\"spq_answer_block\" data-value=\"1\">67\u00b0<\/div><div class=\"spq_answer_block\" data-value=\"2\">179\u00b0<\/div><div class=\"spq_answer_block\" data-value=\"3\">90\u00b0<\/div><div class=\"sqp_question_hint\"><div class=\"sqp_question_hint__header\"><span class=\"spq_correct\">Correct<\/span><span class=\"spq_incorrect\">Incorrect<\/span><\/div><div class=\"sqp_question_hint__content\"><span>Correct answer is: 179\u00b0<br\/>As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.<\/span><\/div><\/div><\/div><div class=\"spq_question_wrapper\" data-answer=\"2\"><span class=\"spq_question_header\"><span class=\"sqp_question_number\">2<\/span><h3 class=\"sqp_question_text\">Which among these is not an obtuse angle?<\/h3><\/span><div class=\"spq_answer_block\" data-value=\"0\">95\u00b0<\/div><div class=\"spq_answer_block\" data-value=\"1\">110\u00b0<\/div><div class=\"spq_answer_block\" data-value=\"2\">89\u00b0<\/div><div class=\"spq_answer_block\" data-value=\"3\">179\u00b0<\/div><div class=\"sqp_question_hint\"><div class=\"sqp_question_hint__header\"><span class=\"spq_correct\">Correct<\/span><span class=\"spq_incorrect\">Incorrect<\/span><\/div><div class=\"sqp_question_hint__content\"><span>Correct answer is: 89\u00b0<br\/>As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.<\/span><\/div><\/div><\/div><div class=\"spq_question_wrapper\" data-answer=\"3\"><span class=\"spq_question_header\"><span class=\"sqp_question_number\">3<\/span><h3 class=\"sqp_question_text\">Find the odd one out.<\/h3><\/span><div class=\"spq_question_image\"><img decoding=\"async\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/four-angles-measuring-30\u00b0-45\u00b0-60\u00b0-and-90\u00b0.png\"><\/div><div class=\"spq_answer_block\" data-value=\"0\">A<\/div><div class=\"spq_answer_block\" data-value=\"1\">B<\/div><div class=\"spq_answer_block\" data-value=\"2\">C<\/div><div class=\"spq_answer_block\" data-value=\"3\">D<\/div><div class=\"sqp_question_hint\"><div class=\"sqp_question_hint__header\"><span class=\"spq_correct\">Correct<\/span><span class=\"spq_incorrect\">Incorrect<\/span><\/div><div class=\"sqp_question_hint__content\"><span>Correct answer is: D<br\/>Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.<\/span><\/div><\/div><\/div><div class=\"spq_question_wrapper\" data-answer=\"0\"><span class=\"spq_question_header\"><span class=\"sqp_question_number\">4<\/span><h3 class=\"sqp_question_text\">What is the range of an obtuse angle?<\/h3><\/span><div class=\"spq_answer_block\" data-value=\"0\">(90\u00b0,180\u00b0)<\/div><div class=\"spq_answer_block\" data-value=\"1\">(180\u00b0,360\u00b0)<\/div><div class=\"spq_answer_block\" data-value=\"2\">[90\u00b0,180\u00b0]<\/div><div class=\"spq_answer_block\" data-value=\"3\">(90\u00b0, 270\u00b0)<\/div><div class=\"sqp_question_hint\"><div class=\"sqp_question_hint__header\"><span class=\"spq_correct\">Correct<\/span><span class=\"spq_incorrect\">Incorrect<\/span><\/div><div class=\"sqp_question_hint__content\"><span>Correct answer is: (90\u00b0,180\u00b0)<br\/>The range of an obtuse angle is (90\u00b0,180\u00b0).<\/span><\/div><\/div><\/div><\/div>  <script type=\"application\/ld+json\">{\n        \"@context\": \"https:\/\/schema.org\/\", \n        \"@type\": \"Quiz\", \n        \"typicalAgeRange\": \"3-11\",\n        \"educationalLevel\":  \"beginner\",\n        \"assesses\" : \"Attend this quiz & Test your knowledge.\",\n        \"educationalAlignment\": [\n              {\n                \"@type\": \"AlignmentObject\",\n                \"alignmentType\": \"educationalSubject\",\n                \"targetName\": \"Math\"\n              }] ,\n        \"name\": \"Obtuse Angle - Definition, Degree, Properties, Examples, FAQs\",        \n        \"about\": {\n                \"@type\": \"Thing\",\n                \"name\": \"Obtuse Angle\"\n        },  \n        \"hasPart\": [{\n                    \"@type\": \"Question\",   \n                    \"eduQuestionType\": \"Multiple choice\",\n                    \"learningResourceType\": \"Practice problem\",\n                    \"name\": \"Which of these angles is an obtuse angle?\",\n                    \"text\": \"Which of these angles is an obtuse angle?\",\n                    \"comment\": {\n                      \"@type\": \"Comment\",\n                      \"text\": \"As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.\"\n                    },\n                    \"encodingFormat\": \"text\/html\",\n                    \"suggestedAnswer\": [ {\n                                \"@type\": \"Answer\",\n                                \"position\": 0,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"39\u00b0\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 1,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"67\u00b0\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 3,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"90\u00b0\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.\"\n                                    }\n                                }],\n                    \"acceptedAnswer\": {\n                      \"@type\": \"Answer\",\n                      \"position\": 2,\n                      \"encodingFormat\": \"text\/html\",\n                      \"text\": \"179\u00b0\",\n                      \"comment\": {\n                          \"@type\": \"Comment\",\n                          \"text\": \"As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.\"\n                        },\n                      \"answerExplanation\": {\n                        \"@type\": \"Comment\",\n                        \"text\": \"As the angle 179\u00b0 is larger than 90\u00b0 but smaller than 180\u00b0, it is an obtuse angle.\"\n                      }\n                    } \n\n                    },{\n                    \"@type\": \"Question\",   \n                    \"eduQuestionType\": \"Multiple choice\",\n                    \"learningResourceType\": \"Practice problem\",\n                    \"name\": \"Which among these is not an obtuse angle?\",\n                    \"text\": \"Which among these is not an obtuse angle?\",\n                    \"comment\": {\n                      \"@type\": \"Comment\",\n                      \"text\": \"As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.\"\n                    },\n                    \"encodingFormat\": \"text\/html\",\n                    \"suggestedAnswer\": [ {\n                                \"@type\": \"Answer\",\n                                \"position\": 0,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"95\u00b0\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 1,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"110\u00b0\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 3,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"179\u00b0\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.\"\n                                    }\n                                }],\n                    \"acceptedAnswer\": {\n                      \"@type\": \"Answer\",\n                      \"position\": 2,\n                      \"encodingFormat\": \"text\/html\",\n                      \"text\": \"89\u00b0\",\n                      \"comment\": {\n                          \"@type\": \"Comment\",\n                          \"text\": \"As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.\"\n                        },\n                      \"answerExplanation\": {\n                        \"@type\": \"Comment\",\n                        \"text\": \"As this angle is smaller than 90\u00b0, it is not an obtuse angle but an acute angle.\"\n                      }\n                    } \n\n                    },{\n                    \"@type\": \"Question\",   \n                    \"eduQuestionType\": \"Multiple choice\",\n                    \"learningResourceType\": \"Practice problem\",\n                    \"name\": \"Find the odd one out.\",\n                    \"text\": \"Find the odd one out. <img src=\\\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/four-angles-measuring-30\u00b0-45\u00b0-60\u00b0-and-90\u00b0.png\\\"\/>\",\n                    \"comment\": {\n                      \"@type\": \"Comment\",\n                      \"text\": \"Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.\"\n                    },\n                    \"encodingFormat\": \"text\/html\",\n                    \"suggestedAnswer\": [ {\n                                \"@type\": \"Answer\",\n                                \"position\": 0,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"A\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 1,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"B\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 2,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"C\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.\"\n                                    }\n                                }],\n                    \"acceptedAnswer\": {\n                      \"@type\": \"Answer\",\n                      \"position\": 3,\n                      \"encodingFormat\": \"text\/html\",\n                      \"text\": \"D\",\n                      \"comment\": {\n                          \"@type\": \"Comment\",\n                          \"text\": \"Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.\"\n                        },\n                      \"answerExplanation\": {\n                        \"@type\": \"Comment\",\n                        \"text\": \"Angles in the first three options are acute angles. Angle that measures exactly 90\u00b0 is a right angle.\"\n                      }\n                    } \n\n                    },{\n                    \"@type\": \"Question\",   \n                    \"eduQuestionType\": \"Multiple choice\",\n                    \"learningResourceType\": \"Practice problem\",\n                    \"name\": \"What is the range of an obtuse angle?\",\n                    \"text\": \"What is the range of an obtuse angle?\",\n                    \"comment\": {\n                      \"@type\": \"Comment\",\n                      \"text\": \"The range of an obtuse angle is (90\u00b0,180\u00b0).\"\n                    },\n                    \"encodingFormat\": \"text\/html\",\n                    \"suggestedAnswer\": [ {\n                                \"@type\": \"Answer\",\n                                \"position\": 1,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"(180\u00b0,360\u00b0)\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"The range of an obtuse angle is (90\u00b0,180\u00b0).\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 2,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"[90\u00b0,180\u00b0]\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"The range of an obtuse angle is (90\u00b0,180\u00b0).\"\n                                    }\n                                }, {\n                                \"@type\": \"Answer\",\n                                \"position\": 3,\n                                \"encodingFormat\": \"text\/html\",\n                                \"text\": \"(90\u00b0, 270\u00b0)\",\n                                \"comment\": {\n                                    \"@type\": \"Comment\",\n                                    \"text\": \"The range of an obtuse angle is (90\u00b0,180\u00b0).\"\n                                    }\n                                }],\n                    \"acceptedAnswer\": {\n                      \"@type\": \"Answer\",\n                      \"position\": 0,\n                      \"encodingFormat\": \"text\/html\",\n                      \"text\": \"(90\u00b0,180\u00b0)\",\n                      \"comment\": {\n                          \"@type\": \"Comment\",\n                          \"text\": \"The range of an obtuse angle is (90\u00b0,180\u00b0).\"\n                        },\n                      \"answerExplanation\": {\n                        \"@type\": \"Comment\",\n                        \"text\": \"The range of an obtuse angle is (90\u00b0,180\u00b0).\"\n                      }\n                    } \n\n                    }]}<\/script>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"11-frequently-asked-questions-about-obtuse-angles\">Frequently Asked Questions about Obtuse Angles<\/h2>\n\n\n<div class=\"wp-block-ub-content-toggle\" id=\"ub-content-toggle-97af84fe-84b6-4ba5-9749-0e4f143bda6e\" data-mobilecollapse=\"true\" data-desktopcollapse=\"true\">\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" aria-expanded=\"false\" aria-controls=\"ub-content-toggle-panel-0-97af84fe-84b6-4ba5-9749-0e4f143bda6e\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-97af84fe-84b6-4ba5-9749-0e4f143bda6e\"><strong>Is 180 degrees an obtuse angle?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-0-97af84fe-84b6-4ba5-9749-0e4f143bda6e\">\n\n<p>No. An angle that measures 180 degrees is a straight angle.\u00a0<\/p>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" aria-expanded=\"false\" aria-controls=\"ub-content-toggle-panel-1-97af84fe-84b6-4ba5-9749-0e4f143bda6e\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-97af84fe-84b6-4ba5-9749-0e4f143bda6e\"><strong>What is the point at which two rays meet to form an angle known as?\u00a0<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-1-97af84fe-84b6-4ba5-9749-0e4f143bda6e\">\n\n<p>The point where two rays meet to form an angle is known as the vertex.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"349\" height=\"167\" src=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/vertex-of-an-angle.png\" alt=\"Vertex of an angle \" class=\"wp-image-36712\" title=\"Vertex of an angle \" srcset=\"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/vertex-of-an-angle.png 349w, https:\/\/www.splashlearn.com\/math-vocabulary\/wp-content\/uploads\/2023\/12\/vertex-of-an-angle-300x144.png 300w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/figure>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" aria-expanded=\"false\" aria-controls=\"ub-content-toggle-panel-2-97af84fe-84b6-4ba5-9749-0e4f143bda6e\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-97af84fe-84b6-4ba5-9749-0e4f143bda6e\"><strong>What do we call an angle which is exactly 90\u00b0?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-2-97af84fe-84b6-4ba5-9749-0e4f143bda6e\">\n\n<p>An angle that is exactly 90\u00b0 is known as a right angle. A right angle is larger than an acute angle but smaller than an obtuse angle.<\/p>\n\n<\/div><\/div>\n\n<div class=\"wp-block-ub-content-toggle-accordion\">\n                <div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" aria-expanded=\"false\" aria-controls=\"ub-content-toggle-panel-3-97af84fe-84b6-4ba5-9749-0e4f143bda6e\" tabindex=\"0\">\n                    <p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-97af84fe-84b6-4ba5-9749-0e4f143bda6e\"><strong>What is a 360 degree angle called?<\/strong><\/p><div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span>\n                    <\/div><\/div><div role=\"region\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-3-97af84fe-84b6-4ba5-9749-0e4f143bda6e\">\n\n<p>A 360 degree angle is called a full angle or a complete angle.<\/p>\n\n<\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>What Is an Obtuse Angle? An obtuse angle is an angle with angle measure greater than 90\u00b0 and less than 180\u00b0. In other words, it lies between 90\u00b0 and 180\u00b0. So, what does an obtuse angle look like? How many degrees does an obtuse angle measure? Take a look at the given Obtuse Angle diagram &#8230; <a title=\"Obtuse Angle &#8211; Definition, Degree, Properties, Examples, FAQs\" class=\"read-more\" href=\"https:\/\/www.splashlearn.com\/math-vocabulary\/geometry\/obtuse-angle\" aria-label=\"More on Obtuse Angle &#8211; Definition, Degree, Properties, Examples, FAQs\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ub_ctt_via":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1614","post","type-post","status-publish","format-standard","hentry","category-all"],"featured_image_src":null,"author_info":{"display_name":"Mithun Jhawar","author_link":"https:\/\/www.splashlearn.com\/math-vocabulary\/author\/mithun-jhawarsplashlearn-com\/"},"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/posts\/1614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/comments?post=1614"}],"version-history":[{"count":13,"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/posts\/1614\/revisions"}],"predecessor-version":[{"id":36740,"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/posts\/1614\/revisions\/36740"}],"wp:attachment":[{"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/media?parent=1614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/categories?post=1614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.splashlearn.com\/math-vocabulary\/wp-json\/wp\/v2\/tags?post=1614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}