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a rectangular paper of dimensions 22cm×8cm is formed into a hollow cylinder by rolling ot along its length. find the radius of the cylinder. |
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Answer» Answer: 1.27 CM Step-by-step explanation: The PAPER is rolled along the length ⇒ the BREADTH of the paper is the circumference Find the radius Circumference = 2πr 8 = 2πr r = 8 ÷ 2π r = 14/11 or 1.27 cm Answer: The radius is 1.27 cm |
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