A circular well of 21m depth is dug up so that the radius of the well is 1.5m. What is the volume of the earth dug up?
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volume= π*r*r*h
= 22÷7 * 1.5 *1.5 * 21
= 22*1.5*1.5*3
=66*2.25
therefore,volume=148.5m^3.
= 22÷7 * 1.5 *1.5 * 21
= 22*1.5*1.5*3
=66*2.25
therefore,volume=148.5m^3.
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