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What is the area of the top surface of a circular manhole cover that has a radius of 30cm
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What is the area of the top surface of a circular manhole cover that has a radius of 30cm
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Jan 10, 2018
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What is the area of the top surface of a circular manhole cover that has a radius of 30cm
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900pi or 2826 (if multiplying by 3.14)
A = r^2*pi
Dafang Cao
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Jan 14, 2018
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Dafang Cao
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