A rectangle sheet of paper is 22cm long and 12 cm wide. A cylinder is formed by rolling the paper along its length . Find the volume of cylinder.
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So , when we imagine , that happening ,
the length becomes the circumference and the breadth becomes the height , so.
2πr = 22
πr = 11
22\7 × r = 11
r = 77\22
r = 7\2 cm
and we know volume = πr^2h
22\7 × 7\2×7\2×12
462cm^3
the length becomes the circumference and the breadth becomes the height , so.
2πr = 22
πr = 11
22\7 × r = 11
r = 77\22
r = 7\2 cm
and we know volume = πr^2h
22\7 × 7\2×7\2×12
462cm^3
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Answered by
43
Hope it helped you..........
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