How many cubic meter of the earth must be dug out to sink a well 7m deep and radius 5m?
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For the answer you have to find the volume
Volume = πr^2h
=22/7×5×5×7
=110×5
=550 m^3
Volume = πr^2h
=22/7×5×5×7
=110×5
=550 m^3
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