Question

The perimeter of a square whose area is $225m^2$ is _________.

Answer 1

The area of the square $=side\times side=225m^2$

So, the side $=\sqrt{225}=\sqrt{15\times 15}=15m$

Now, the perimeter of the square $=4\times Side=4\times 15=60m$
Hence, the perimeter of the square is $60m.$