Need help to find the area of the semicircle

Answer:
As the area of a circle is πr2. So, the area of a semicircle is 1/2(πr2 ), where r is the radius.
Step-by-step explanation:
As the area of a circle is πr2. So, the area of a semicircle is 1/2(πr2 ), where r is the radius.
Answer:
area=1/2πr²
radius=12
d=24
1/2*22/7*12*12
area=226.29inches
Step-by-steexplanation: