## What is square?

A square is a kind of rectangle in which all sides of the square are equal. In the square, total angles are the same and equal 90º.

## Perimeter of a square

The perimeter of a square is the entire distance of each side of the square. Therefore we can determine the perimeter of a square by adding all its 4 sides.

Perimeter = Addition of the lengths of four sides

= a + a + a + a

= 4 a units

## The formula for Perimeter of a Square

**The perimeter of Square (P) = 4 × a (length of any one side).**

### Perimeter of a Rectangle Examples