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The area of the base of a right circular...

The area of the base of a right circular cone is `154` `cm^2` and its height is `14 cm` . Its curved surface area is

A

`(154xx sqrt 5) cm^2`

B

`11 cm^2`

C

`(154 + sqrt 7) cm^2`

D

`5324 cm^2`

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The correct Answer is:
A
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