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A sphere and a hemisphere have same radius What is the ratio of volume of the sphere to volume of the hemisphere?

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A sphere and a hemisphere have same radius What is the ratio of volume of the sphere to volume of the hemisphere?

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Radius of sphere = r = radius of hemisphere

Volume of sphere = 4/3 πr3

Volume of hemisphere = 2/3 πr3

∴ Ratios of volumes = 4/3 πr3 : 2/3 πr3

= 4 : 2 = 2 : 1

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