Janeisobhan Janeisobhan

19-11-2016
Mathematics

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A hemisphere has a volume of 18π cm3. Find its radius

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syed514 syed514

20-11-2016

Volume is half that of a sphere V=(1/2)*(4/3)*pi*r^3 = 18pi -> 2/3 r^3 = 18 ->r^3 = 18*(3/2) -> r^3 = 27 = 3*3*3 r=3

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