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A round manhole cover has a diameter of 3ft. It weighs 9.2lb per square foot. To the nearest pound, how much does the manhole cover weigh?
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A round manhole cover has a diameter of 3ft. It weighs 9.2lb per square foot. To the nearest pound, how much does the manhole cover weigh?

User Rraphael
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1 Answer

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(9.2*3.14*(3^2))/4=64.998 which would round to about 65 pounds



User Fil
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