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A radius of the base of a right circular cone is 6 cm and its slant height is 28 cm. The curved surface area of the cone is?

268 sq. cm
528 sq. cm
462 sq. cm
658 sq. cm

Correct Answer: 528 sq. cm

Explanation:

Curved surface area = πrl
= (22/7 x 6 x 28) cm²
= 528 cm²

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