A well of diameter 2m is dug 14m deep. find the volume of earth taken out?
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given; d = 2m so r= 2/2 = 1m. h= 14 m
volume of earth taken out is same as volume of a cylinder of radius 1 m and height 14 m
V = pi*r^2*h
= 22/7*1*1*14
= 44 cubic metres
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