Mensurationeasy · Past Paper
The radius of a cylinder is 3.5 cm and height 10 cm. What is the sum of areas of its two circular bases?
A38.5 cm²
B77 cm²
C154 cm²
D220 cm²
✓ Correct Answer: B — 77 cm²
Area of one base = πr² = (22/7) * 3.5 * 3.5 = 38.5. Two bases = 2 * 38.5 = 77 cm².
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