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Total surface area of a solid hemisphere...

Total surface area of a solid hemisphere and the curved surface area of a solid sphere are same. Find the ratio of the lengths of the radius of hemisphere and shpere.

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Whole surface area of a solid hemisphere is equal to the curved surface area of a solid sphere. Find the ratio of lenghts of radius of hemisphere and sphere.

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UNITED BOOK HOUSE-HOOGHLY COLLIGIATE SCHOOL-EXERCISE
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