Question

Volume of a cylinder is 13860 cubic cm. If circumference of its base is 132 cm, find the curved surface area of the cylinder?

A) 2640 sq cm B) 3960 sq cm C) 1320 sq cm D) 660 sq cm

Answer 1

Answer:

Circumference of base= 2×pi×r

132=2×pi×r

r =21 cm

Volume of a cylinder=pi× r²×h

h= 13860/21² × 7/22

h = 10cm

CSA of cylinder =2×pi×r×h

=2×22/7×21×10

=1320 cm²

is your answer

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