find the curved surface area of well of diameter 4m and depth is 10m
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1
well can be assumed as cylinder,CSA of cylinder is 2πrh
r=d/2=>r=4/2=>2
2*22/7*2*29=125(approx)
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4
well is in the shape of cylinder.
radius =diameter/2=4/2=2m
depth =height=10m
curved surface area of well= 2πrh
=2×22/7×2×10
=125.71sq.cm
curved surface area of well=125.71sq.cm
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