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The diameter of a semicircle is 4 miles. What is the semicircle's area?
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aaAAAaannndd the bot gets it wrong yet again!
The area of a semicircle is equal to (π x r2)/2, where r is the radius of the semicircle. Since the diameter is 4 miles, the radius is 2 miles. Therefore, the area of the semicircle is (π x 22)/2 = 12.57 square miles.
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