Definition of a Regular Polygon:
A regular polygon is simply a polygon whose sides all have the same length and angles all have the same measure. The most well known regular polygons are the equilateral triangle and square, both pictured below.
Examples of Regular Polygons
Regular Triangle (a.k.a. Equilateral)
![Equilateral Triangle]()
Regular Quadrilateral (a.k.a. square)
![picture of square]()
Regular Hexagon
![Regular Hexagon]()
Regular Pentagon
![Regular Hexagon]()
Non-Examples of Regular Polygons
Non-regular Triangle
![Irregular Triangle]()
Non-regular Quadrilateral
![Irregular Quadrilateral]()
Non-regular Pentagon
![Irregular Pentagon]()
Non-regular Hexagon
![Irregular Pentagon]()
As you can see from the pictures above, the side lengths and interior angles are different sizes (ie have different measurements)
