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2015-02-23T12:16:40+05:30

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Diameter=3.5 m
r=1.75
h=6 m
lateral surface area of a cylinder=rh=65.97 m
volume=πr²h=57.73 m³

so 57.73 m³ soil will remove

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2015-02-23T12:59:48+05:30

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Lateral surface area = 2*pi*r*h = 2*3.14*1.75*6 = 65.94 m^2
Volume of earth removed = pi*r^2*h = 3.14*1.75*1.75*6 = 57.7 m^3
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