Q. The total surface area (TSA) of a cone is:

(A) πrl
(B) πr²
(C) πr(r+l)
(D) 2πrh

✅ Correct Answer: (C) πr(r+l)

Explanation: TSA = Base area + CSA = πr² + πrl = πr(r+l).

Published by Mr. Dubey ⭐ 109.12K Points at 15-Jul-2026 07:07 am in Math

Explanation by: Mr. Dubey

TSA = Base area + CSA = πr² + πrl = πr(r+l).

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