Question

Find the perimeter of semicircle of Base = 14cm and height = 7cm

Answer 1

Perimeter of semi circle = 2πr/2
as r=h=7
then , 22/7×7cm
= 22cm

Answer 2

perimeter of semicircle=2πr÷2
base=14
radius=14÷2=7
perimeter=2πr÷2
πr=22÷7×7÷2
22÷2=11sqcm.(ans)