Side - Definition with Examples

The Complete K-5 Math Learning Program Built for Your Child

  • 40 Million Kids

    Loved by kids and parent worldwide

  • 50,000 Schools

    Trusted by teachers across schools

  • Comprehensive Curriculum

    Aligned to Common Core

let's learn Let's learn!

What is a side? 
In geometry, side can be defined as the line segment that joins two vertices in a shape or two-dimensional figure.

Here, for instance, the rectangle has four sides.

Sides Geometry Two-Dimensional 2D shape

  Fun Facts

  • A side of two-dimensional shape, is called an edge in three-dimensional shape.

let's sing Let's sing!

All two-dimensional shapes have a side.
Some have three, and some have five.
You can name them all by their sides!

let's do it Let's do it!

Show you child pictures of different two-dimensional shapes. Ask them to count the number of shapes they have and tell them its name. You can further explain how these shapes have been named basis the number of sides they have. 

related math vocabulary Related math vocabulary

Won Numerous Awards & Honors
Awards honors badge