Question

a well of diameter 4 metre is dug 21m deep. the earth taken out of its been spread evenly all around it in the shape of circular ring of width 3m of form and embankment find the height of the embankment?​

Answer 1

Answer:

d= 4m

r=2m

h=21m

R=3m

area of circular well=pai(R^2-r^2)h

=22/7(3^2-2^2)21

=22/7×5×21

=33om

hope it'll help you...

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Answer 2

Answer:

( Read this very carefully and implement it )

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