Math, asked by heplme7805, 1 year ago

A well with 14m inside diameter is dug 10m deep.earth taken out of it has been evenly spread all round to a width of 21m to form an embankment.the height of the embankment is

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Answered by 123479

0

volume of the well,=volume of hollow cylinder
R1=7
r2=28

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