Mensurationeasy · Past Paper
Find the curved surface area of a hemisphere whose diameter is 10 cm.
A157 sq. cm
B314 sq. cm
C628 sq. cm
D78.5 sq. cm
✓ Correct Answer: A — 157 sq. cm
CSA of hemisphere = 2πr². r = 5 cm. Using π ≈ 3.14, Area = 2 * 3.14 * 25 = 157 sq. cm.
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