Q. The total surface area of a cone is:

  • (A) πrl
  • (B) πr²
  • (C) πr(r + l)
  • (D) 2πrh
✅ Correct Answer: (C) πr(r + l)
Explanation: TSA = πr(r + l).

Published by Mahesh Chandra ⭐ 7.32K Points at 15-Jul-2026 09:36 pm in Math

Explanation by: Mahesh Chandra
TSA = πr(r + l).

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