# Perimeter of a Square

## Description

A square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or right angles). A perimeter of a square is a path that surrounds it in two dimensions. The perimeter of a square can be calculated by the length of its sides.

Related formulas## Variables

P | perimeter of a square (m) |

a | length of the side a (m) |