Mensurationeasy · Past Paper
The volume of a hemisphere is 18π cm³. Find its radius.
A3 cm
B6 cm
C9 cm
D2 cm
✓ Correct Answer: A — 3 cm
(2/3)πr³ = 18π => r³ = 18 × 3 / 2 = 27. r = 3 cm.
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