Question

The area of a square is $1.44$ area. Find its perimeter.

Answer 1

Let the side of a square be $a$ units, then

Area of the square $=a^2$ sq.units

i.e., $a^2=1.44=(1.2{)}^2$

$a=1.2$ units

Perimeter of the square $=4a=4\left(1.2\right)=4.8$ untis