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A rectangular sheet of paper, 44 cm*20 cm is rolled along its lenght to form a cylinder. Find the vol. Of the cylinder so formed. |
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Answer» Its FOLDED ALONG its LENGTH so its length will be circumference of the base 2 πr = 44 πr = 22 22/7 r = 22 r = 7 cm height = 20 cm Volume will be πr^2 h = 22/7 x 7 x 7 x 20 = 3080 cm cube |
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