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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?

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?
asked 72.5k views
3 votes
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?

asked
User Rraphael
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8.7k points

1 Answer

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



answered
User Fil
by
7.6k points
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