A Square piece of paper of side 22 cm is rolled to form a cylinder.Find the volume of the cylinder.(take Pie =22/7)?

Answers (1)

Side of the paper = Height of the cylinder = Perimeter of circular part of the cylinder (2πr) = 22 cm   =>  r = 11/ π  cm 

Volume of the cylinder =  πr2h

                                    =  π(11/ π)2 x 22

                                   = 121x22/ π

                                  = 121x7

                                  = 847 cm3

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