# A Study of Regular Polygons

by Tantek Çelik, 2001.01.27

- regular polygon
- A regular polygon is a polygon where all the sides are the same,
and all the interior angles are the same.

## Triangle

A three-sided polygon is called a triangle.
A regular three-sided polygon is called an equilateral triangle.

## Square

A four-sided polygon is called a quadrilateral.
A regular four-sided polygon is called a square.

## Pentagon

A five-sided polygon is called a pentagon.
A regular five-sided polygon is simply called a regular pentagon.

## Hexagon

A six-sided polygon is called a hexagon.
A regular six-sided polygon is simply called a regular hexagon.

## Octagon

A eight-sided polygon is called an octagon.
A regular eight-sided polygon is simply called a regular octagon.

This web page is licensed under a .