Q. 314.2( 21 Votes )
In a village, a w
Answer :
Given,
Diameter of the well = 10 m
Radius of the well = 5 m
Height of the well = 14 m
Width of the embankment = 5 m
Therefore radius of the embankment = 5 + 5 = 10 m
Let h be the height of the embankment,
Hence,
The volume of the embankment = volume of the well
π(R – r)2h = πr2h
(102 – 52) x h = 52 x 14
(100 – 25) x h = 25 x 14
h =
Therefore,
The height of the embankment, h = 4.67 m
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