What is Heptagon?
Heptagon is a polygon ( a closed shape made up of line segments) made up of 7 sides and 7 angles. The word heptagon is made up of two words, hepta meaning seven and gon meaning sides.
There are 14 diagonals in a heptagon and in the given heptagon, the blue line segments represent the diagonals.
Some more examples of heptagon are given below:
The following figures are not heptagons:
 | There are 8 sides in this figure. So, it is not a heptagon. |
 | There are only 5 sides in this figure. So, it is not a heptagon. |
Angles of a Heptagon:
A heptagon consists of 7 angles, and the sum of these angles is 900°.
∠1 + ∠2 + ∠3 + ∠4 + ∠5 + ∠6 + ∠7 = 900o
| Regular heptagon: | Irregular heptagon: |
If all sides and all angles of a heptagon are equal, then it is known as a regular heptagon. Each angle of the regular heptagon is 128.57 degrees. | If the sides and angles of a heptagon are not equal, then it is irregular.  |
Real life examples of the heptagon
| Fun Facts about heptagon – A heptagon is also known as a septagon. Sept of septagon is a Latin-derived numerical prefix and, hepta is a Greek-derived numerical prefix which means seven and gon means angle. |
