Question

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

Answer 1

perimeter of square=4×side

84=4×side

side=21 cm

area of square =side^2

=21^2

=441 cm^2

Answer 2

heya friends (^。^)

Here is ur answer...

perimeter of square =4*a(where a is side )

4a=84

=>a=84/4

=>21...side =21...

now area of square =a^2

=>21^2

=>441 cm^2..

hope it help you..


@Rajukumar☺☺