Answer:
1460 square inches
Step-by-step explanation:
You want the area of a semicircle with diameter 61 inches.
Area
The area of a circle is given by ...
A = (π/4)d²
The area of a semicircle is half that, so is ...
A = (π/8)d²
A = (3.14/8)(61 in)² ≈ 1460 in²
The area of the semicircular window is about 1460 square inches.
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