A tight roll of paper, as delivered to the printer, is 60cm in diamwter ,and the paper is wound on to a wooden cylinder 8cm in diameter.The paper is 0.005 cm thick.What length of paper is there in roll in the roll in km?(hint: Compare the area of the edge of the paper when rolled with that of the paper when unrolled.)?
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Asked by Adeyemi Kehinde on 5th December, 2021
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