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Question

The volume of a hemispherical ball is given by the V=23πr3 where V is the volume and r is the radius Find the diameter of he hemisphere whose volume is 46851221m3

A
22m
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B
11m
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C
33m
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D
44m
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Solution

The correct option is B 44m
V=23πr323πr3=46851221r3=46851221(32π)=4685122×22=10648cu.mr=310648=22mDiameter=44m

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