Mensurationeasy · Past Paper
The surface area of a sphere is 1256 sq. cm. Find its radius (Take π = 3.14).
A10 cm
B20 cm
C15 cm
D100 cm
✓ Correct Answer: A — 10 cm
4πr² = 1256. 4 * 3.14 * r² = 1256. 12.56 * r² = 1256. r² = 100, so r = 10 cm.
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