Question

A square board has an area of $121sqcm.$ What is its perimeter?

Answer 1

A square board has an area of $121sqcm.$
The side of the square board$=\sqrt{121}$
$=11cm$
The perimeter of a square board $=4\times side$
$=4\times 11$

$=$$44cm$

Hence, the required perimeter of square is $44\text{cm}$