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Using pi = 22/7, find the volume of a solid hemisphere of radius 21 cm.

A9702 cm³
B19404 cm³
C38808 cm³
D4851 cm³
Answer & Solution
Correct answer: B. 19404 cm³
Hemisphere volume is (2/3) pi r cubed = (2/3)(22/7)(9261) = 19404 cubic centimetres.
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