A well of diameter 6 m is dug 14 m deep. 1/15 of the earth taken out is spread evenly all around the well to form a embankment.
(i) Find the volume of the earth taken out
(ii) If the height of embankment is 1.2 m, what is the width of the embankment ?
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Given; A well of diameter 6 m is dug 14 m deep. 1/15 of the earth taken out is spread evenly all around the well to form an embankment
To Find ; (i) Find the volume of the earth taken out
(ii) If the height of the embankment is 1.2 m, what is the width of the embankment?
Solution; radius=3m
height h=14m
The volume of mud=πr^2h =395.64
volume of earth taken out = 395.64
Hence the volume of earth taken out = 395.64