Find the total surface area of a cone — task. Maths CBSE Mentoring, Class 9 Mentoring product.

Find the total surface area of a right circular cone whose slant height is 21 \(cm\) and base radius is 16 \(cm\). (Take \(\pi=\frac{22}{7}\))

Total surface area of a cone \(=\)

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2. Find the total surface area of a cone