cylinder and cone has same radius and and same height then the ratio of their curved surface area is?
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C. S. A of cylinder =C. S. A of cone
2*22/7*r*h=22/7*r*l
22/7&r will b cancelled on both sides
2h=l
2h=square root of h square+r square.
2*22/7*r*h=22/7*r*l
22/7&r will b cancelled on both sides
2h=l
2h=square root of h square+r square.
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