Answer:
Area of semicircle = 226.08 in²
Explanation:
Diameter of semicircle = 24 in
We need to find area of semicircle.
The formula used to find area of semicircle is:

First we will find radius
We know that: radius = diameter/2 = 24/2 = 12
Now, finding area

So, Area of semicircle = 226.08 in²