Square

A

**square** is a parallelogram with 4 congruent sides and 4 right angles.

A square is a particular case of a rectangle and a rhombus simultaneously. So, it shows both the properties of rhombus and rectangle simultaneously.

Square can be differentiated from a rectangle and rhombus due to following properties:

1. Unlike rectangle square needs to have all its sides equal.

2. Unlike rhombus square needs to have all angles equal to 90 degree.

**Area of a square**
If *l* is the side-length of a square, the area of the square is: