Mensurationeasy · Past Paper
The volume of a sphere is 4.5π cm³. What is its radius?
A1.5 cm
B3 cm
C2.25 cm
D1 cm
✓ Correct Answer: A — 1.5 cm
(4/3)πr³ = 4.5π => r³ = 4.5 × 3 / 4 = 13.5 / 4 = 3.375. r = 1.5 cm.
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