Mensurationeasy · Past Paper
Find the total surface area of a hemisphere with radius 3.5 cm.
A38.5 sq. cm
B77.0 sq. cm
C115.5 sq. cm
D154.0 sq. cm
✓ Correct Answer: C — 115.5 sq. cm
TSA of a hemisphere = 3πr² = 3 * (22/7) * 3.5 * 3.5 = 115.5 sq. cm.
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