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Example 11: A rectangular piece of paper 11 cm x 4 cm is folded without overlappingto make a cylinder of height 4 cm. Find the volume of the cylinder,

Answer»

Height of cylinder=11cmCircumference=4cm=2*3.14*rR=4/6.28=.63So,volume=3.14*.63*.63*11=13.70cm^3



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