9 Sided Polygon

What is a nine-sided shape?

With nine straight sides that meet at nine corners make a polygon that is called a Nonagon. Nonagon is a 2D nine-sided shape that belongs to the family. The word  “nonagon ” comes from the Latin word  “nona “, meaning nine, and  “gon “, meaning sides. So it literally means  “nine-sided shape “.

In Greek, a nonagon is called an enneagon, which means “nine corners”.

9 Sided Polygon

Types of Nonagon

There are two types of a nonagon.

  • Regular Nonagon
  • Irregular Nonagon

Properties Regular Nonagon

  • It is a two-dimensional shape.
  • It has nine vertices.
  • Each interior angle is at 140 and sum of these interior angles is 1260.
  • It’s all straight lines have equal length.
  • It has an exterior angle equal to 360.

Properties of Irregular Nonagon

  • The sum of all of its interior angles is 1260o
  • Angles at varying degrees.
  • It is a nine-sided, two-dimensional shape
  • Additionally, it has straight lines
  • Sides are not equal in length
Spread the love
Azhar Ali

Azhar Ali

I graduated in Mathematics from the University of Sargodha, having master degree in Mathematics.

Leave a Reply

Your email address will not be published.

Mathematics is generally known as Math in US and Maths in the UK.

Contact Us

Copyright by Double Math. All Right Reserved 2019 to 2022