Answer: A=64π in^2
Explanation:
A=area, r=radius, d=diameter
A=πr^2
A=π(d/2)^2 ==> the radius is half of a diameter
A=π(d^2/2^2)
A=π(d^2/4)
A=π(16^2/4) ==> substitute 16 inches for d
A=256π/4
A=64π in^2
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