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



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Answer 1

Area of perimeter = 441 sq cm

(side)2 =

`√(441)`

=21

the perimeter of sq= 4×side

= 4×21

84