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Surface Areas And Volumes

Question 4:

A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of the embankment.

Answer:

The shape of the well will be cylindrical.

Depth (h1) of well = 14 m

Radius (r1) of the circular end of well =

Width of embankmen…

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