Question

The perimeter of semi circular park os 72m dind its area and radius

Answer 1

Answer:

radius = 14 cm and area = 308 cm²

Step-by-step explanation:

perimeter = πr + 2r

72 = r(π+2)

72 = r(22/7 + 2)

72 = r×36/7

r = 72×7/36

r = 14 cm

area = πr²/2

 = 22/7 × 14 × 14/2

 = 308 cm²