Question
A rectangular paper sheet of dimensions 22cm×12cm is
folded in the form of a cylinder along its length. what will be the volume of this cylinder? Take π=22/7( in cm 3 )Solution
Given – h= 12cm 2πr =22 r = (22×7)/22×2 =7/2cm volume of the cylinder = π r2h =22/7 ×49/4×12 =462cm3
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