What is the area of a square whose perimeter is 24?

36 square units

To work out the area, we need to know the length of each side, then multiply one side (the height, if you like) by another (let's call it the width).

A square has four equal sides.

The perimeter is the total length of the four sides, so the length of each side must be one-quarter of 24 units, which is 6 units.

So the area

= 6 x 6

= 36 square units