Question

If the perimeter of semicircular park is 72m find its area and radius

Answer 1

So area = 616 sq.m
And
Radius=14m

Answer 2

perimeter of semi circle =pi×r
=22/7×r=72
r=72×7/22
=22.9
area of semi circle =pi×r^2/2
=22/7×22.9÷2
=824.07m^2