The volume of a right cylinder pipe is 1100 cubic cm. and the radius of its base is 5cm . Find its curved surface area
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Volume of cylinder=1100 cm^3
Radius of cylinder=5 cm
Volume of cylinder=1100 cm^3
22/7×r^2h=1100
22/7×5×5×h=1100
h=1100×7/5×5×22=14 cm
Curved surface area of circle=2×22/7×rh
=2×22/7×5×14
=2×22×2×5=440 cm^2
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