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Find the curved surface area of a hemisphere of radius 7 cm:

Question: Find the curved surface area of a hemisphere of radius 7 cm:
  • A. 154 cm²
  • B. 308 cm² ✓
  • C. 616 cm²
  • D. 77 cm²
Correct Answer: B. 308 cm²
Explanation: Curved surface area of a hemisphere = 2πr² = 2 * (22/7) * 7² = 308 cm².

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