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5. A solid is in the shape of a cone mounted on a hemisphereof same base radius. If the curved surface areas of thehemispherical part and the conical part are equal, then findthe ratio of the radius and the height of the conical part.Foreign 2012) |
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Answer» let radius of both be r and height of cone be hnow csa of a hemisphere=CSA of cone2πr^2=2πrhr=hr/h=1/11:1 |
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