Question

Find the perimeter of a square whose area is 84cm^2

Answer 1

when the area of square is 84cm^2, then

each side will be√84=9.16

hence the perimeter Will be 4×9.16=36.64.....

hope it helps

Answer 2

Answer:

Using the formulas

A=a2

P=4a

Solving forP

P=4✓A=4·✓84≈36.66061cm