Find the surface area of a sphere with radius 7 cm (π = 22/7).
A44 cm²
B154 cm²
C308 cm²
D616 cm²CORRECT
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Why the answer is D, and why the others tempt you.
SA = 4πr² = 4 × (22/7) × 49 = 4 × 154 = 616 cm².
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