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11-09-2020
Mathematics

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the curved surface of a cylindrical surface is 704 cm square calculate the height when the radius is 8cm

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11-09-2020

Answer:

CSA of cylinder = 704cm²

We know that

CSA of cylinder = 2πrh

or 2πrh = 704

or, 2*22/7 *8 *h = 704 ( since r=8cm)

or, 352h = 704*7

or, h = 4928/352 = 14cm

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