Sarpanch of the village Pargaon decided to dig a well in a village to solve the problem of
water in Summer. Raju took a contract of digging a well. A well of diameter 4m is dug
21m deep. The earth taken out of it is spread evenly all around it to a width of 3m to
form an embankment.Find the volume of earth taken out of well?
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Answer:
264 cubic metres
Step-by-step explanation:
A well is a form of cylinder.
Volume of the cylinder= area of circular base x length of cylinder
= π r square x L
r = 2 meters
L = 21 meters
Volume of earth taken out = 22÷7×2x2×21
= 22×2x2x3
= 264 cubic meters
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