Question

find the area of a square Park whose perimeter is 320 m

Answer 1

Perimeter of square park = 4 × side
320m = 4 × side
320m ÷ 4 = side
80m = side

Area of square park = side × side
= 80m × 80m
= 6400sq.m

Answer 2

4a=320
=a=320/4
=a=80m
then,area=a×a
=80×80
=6400m square