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Curved Surface Area & Total Surface Area of Cone

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Question

The diameter of the cone is 14 cm and slant height is 9 cm. Find the total surface area of the cone.

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Solution

Diameter of the cone = 14 cm

∴ Radius of the cone (r) = 7 cm

Slant height of the cone (l) = 9 cm

Total surface area of the cone

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