The radius of a cone is 7 cm and area of curved surface is 176 cm2 .Fi – InterviewSolution

1.

The radius of a cone is 7 cm and area of curved surface is 176 cm2 .Find the slant height.

Answer»

Radius of cone(r) = 7 cm

Curved surface area(C.S.A)= 176 cm²

We know, C.S.A. = πrl

⇒ πrl = 176

⇒ 22/7 x 7 x l = 176

or l = 8

Therefore, slant height of the cone is 8 cm.

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