Find the total surface area of a cone — task. Maths CBSE Live product, Class 9 (2025-26).

Find the total surface area of a right circular cone whose slant height is 23 \(cm\) and base radius is 18 \(cm\). (Take \(\pi=\frac{22}{7}\))

Total surface area of a cone \(=\)

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2. Find the total surface area of a cone