Question

If the perimeter of a square is $4m$, find its area.

Answer 1

Let $a$ be the edge of square.

Perimeter of square $=4a=4m\left(\text{Given}\right)$

$\Rightarrow a=\frac{4}{4}=1m$

Therefore,

Area of square $=a^2=1^2=1m^2$