the curved surface area of a right circular cone of height 15 cm and base diameter 16 cm is _ a)148πcm². b)110π cm². c)122π cm². d)136πcm²
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d/ 136π cm^2 is the answer of this question
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diameter=16
radius=8
slant height=√r^2+h^2
=√8^2+15^2
=√64+225
=√289
= 17
CSA of cone =πrl
= π×8×17
= 136π cm^2
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