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asked ago in Surface Areas And Volumes by (43.2k points)

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.

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answered ago by (45.1k points)
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Let the height of the embankment be ‘h’ m.

Dimeter of well, d = 3 m. 

Radius of well, r =1.5 m. 

Height of well, h = 14 m. 

Volume of an embankment = Volume of soil dug from well.

∴ Height of embankment = 1.125 m.

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