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Question

Area of the base of a solid hemisphere is 36π cm2. Then its volume is :

A
288π cm3
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B
108π cm3
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C
144π cm3
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D
72π cm3
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Solution

The correct option is C 144π cm3
Let the radius of the hemisphere be r cm.
Area of base =36πcm2
πr2=36π
r2=36
r=6cm
Volume of hemisphere =23πr3
=23×π×6×6×6
=144πcm3

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