What is a decagon? Definition and examples


A decagon is polygon with 10 sides and 10 angles. A decagon can either be regular or irregular. 

Regular and irregular decagons

The name came from the Greek prefix deca meaning 10 and the Greek suffix gon meaning sides or angles.

Types of decagons


The two types of decagons are regular decagon and irregular decagon. 

In a regular decagon, all sides are equal and all angles have equal measures.  

In an irregular decagon, at least one side has a different length or at least one angle has a different measure.

Homepage

Math words beginning with the letter d

Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

  1. Click on the HTML link code below.
  2. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.
Share this page: