Q. The total surface area of a hemisphere is:

  • (A) 2πr²
  • (B) 3πr²
  • (C) 4πr²
  • (D) πr²
✅ Correct Answer: (B) 3πr²
Explanation: Total surface area = Curved surface area + Base area = 2πr² + πr² = 3πr².

Published by Mahesh Chandra ⭐ 7.32K Points at 15-Jul-2026 08:02 pm in Math

Explanation by: Mahesh Chandra
Total surface area = Curved surface area + Base area = 2πr² + πr² = 3πr².

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