Answer:
A = 22.0 in²
Explanation:
The area-of-a-circle formula is A = (pi)r², where r is the radius. The area of a semicircle is A = (1/2)(pi)r².
In this case (semicircular window), the area is
A = (1/2)(3.14)(14 in) = 21.98 in². To the nearest tenth, that's A = 22.0 in²