A rope makes 260 rounds of a cylinder with base radius 20 cm. How many times can it go round a cylinder with base radius 26 cm.
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Radius=20 cm
which is =2πr=90π
Total length of rope in 260 rounds will be= (260*40π)= 10400π
Number of rounds with base radius of= 26cm
Number of rounds=(10400π)/(2*π*26) = 200 rounds
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