Mensurationeasy · Past Paper
The volume of a cylinder is 308 cm³ and its height is 8 cm. Find its base radius. (Use π = 22/7)
A3.5 cm
B7 cm
C4 cm
D2.5 cm
✓ Correct Answer: A — 3.5 cm
308 = (22/7) × r² × 8 => r² = (308 × 7) / (22 × 8) = 12.25. r = 3.5 cm.
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