# Definition:Pentagon

Jump to navigation
Jump to search

## Definition

A **pentagon** is a polygon with exactly $5$ sides:

### Regular Pentagon

A **regular pentagon** is a pentagon which is both equilateral and equiangular.

That is, a regular polygon with $5$ sides.

That is, a pentagon in which all the sides are the same length, and all the vertices have the same angle:

## Also see

- Results about
**pentagons**can be found here.

## Linguistic Note

The word **pentagon** derives from the Greek **penta**, meaning **five**, and **gon**, deriving from the Greek for **corner**.

## Sources

- 2014: Christopher Clapham and James Nicholson:
*The Concise Oxford Dictionary of Mathematics*(5th ed.) ... (previous) ... (next): Entry:**polygon**