Find the perimeter of a square whose area is 441 sq km? Area of perimeter = 441 sq cm (side)2 = √(441) =21 the perimeter of sq= 4×side = 4×21 84 ​

Question

Find the perimeter of a square whose area is 441 sq km?

Area of perimeter = 441 sq cm
(side)2 =

`√(441)`
=21
the perimeter of sq= 4×side
= 4×21
84



​

Answer 1

Area of perimeter = 441 sq cm

(side)2 =

`√(441)`

=21

the perimeter of sq= 4×side

= 4×21

84