Q. 9 E5.0( 3 Votes )

The diameter of the base of cone is 10 cm and its slant height is 17 cm. Then the curved surface area of the cone is ………. cm2.
A. 85π

B. 170π

C. 95π

D. 88π

Answer :

CSA of cone = πrl


= π × cm × 17cm


= π × 5cm × 17cm


= 85 π cm

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