alleryA solid has a cone of radius 3 cm and height 4 cm on a hemisphere of radius 3 cm. What is its volume?
A36π cm³
B24π cm³
C18π cm³
D30π cm³
Answer & Solution
Correct answer: D. 30π cm³
Cone gives 1/3 π × 9 × 4 = 12π and hemisphere gives 2/3 π × 27 = 18π, so the total is 30π cm³.
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