Math, asked by aditya15939, 1 year ago

what length of a solid cylinder 2 cm in diameter must be taken to recast into hollow cylinder of external diameter 20 CM if the length is 15 cm and thickness of cylinder is 0.25 CM

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Answered by awesomeanshuman1729

9

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aditya15939: wrong answer

mastermind31: But answer is 74.06 aprox

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