The area of each semicircle will be 6.28 square feet. Then the correct option is D.
What is the area of a circle?
Let d be the diameter of the circle. Then the area of the circle will be
A = (π/4)d² square units
The semicircle is the half of circle.
Then the area of the semicircle will be
A = (π/8)d² square units
The diameter of the semicircle will be 4 feet.
Then the area of the semicircle will be
A = (π/8) (4)²
A = (π/8) 16
A = 2π
A = 6.28 square feet
Then the correct option is D.
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