Question

Find the area of this semi-circle with radius, r = 90cm. Give your answer rounded to 1 DP. rcm The diagram is not drawn to scale. + Mu​

Answer 1

12723.5(cm^2)

Explanation:

the area of the circle

S=Tur^2

The sems-circle is s.=1/2 s =1/2Tur^2