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Question

The curved surface area of a right circular cone whose slant height is 14 cm and base radius is 21 cm is


A

924 cm2

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B

232 cm2

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C

446 cm2

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D

308 cm2

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Solution

The correct option is

D

924 cm2



Given: Radius (r) = 21 cm, slant height (l) =14 cm

Curved surface area= πrl=227×21×14=924 cm2


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