Question

(c) Find the perimeter of a square
whose area is 441 sq.m​

Answer 1

Answer:

84 m

Step-by-step explanation:

Area = side x side

So,

441= side ^2

=> side = $\sqrt{441}$

=> side = 21m

So

Perimeter = 4 x side

=> 4 x 21

Perimeter = 84 m

Hope it helps!!!

Please do mark as BRAINLIEST !!!

Answer 2

Hello,

Area of square = 441 sq cm

Let the side of square of square be x

We know that area of square is side × side

441 = side × side

$\sqrt{441 = side}$

21 = side

Therefore, perimeter of square is 4 × side

4× 21 = 84 cm

Hence the perimeter of square is 84 cm