Question

The area of a square is 81cm squared what is its perimeter

Answer 1

Answer:

a^2=81

a=9

Perimeter of square=4a

4×9=36

I hope it helps you....

Answer 2

Given,

Area of square = 81 cm^2

area = side × side

area = side^2

81 cm^2 = side ^2

side = 9 cm

According to formula

Perimeter = 4×side

Perimeter = 4×9cm

Perimeter = 36cm