If the ratio between the curved surface area and the total surface area of a right circular cylinder is 3:4, find the ratio of height to the radius of the cylinder.
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Solution
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C.S.AT.S.A=2πrh2πr(r+h)=34
⇒hr+h=34
⇒4h=3r+3h
⇒h=3r
⇒hr=3
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