# CBSE Class 9 Answered

**The radii of two cones are equal. If their slant heights are in the ratio 5:8, find the ratio of their curved surface area.**

Asked by Sanjuhi4998 | 29 Jan, 2022, 01:35: PM

Expert Answer

Curved surface area of a cone = pi r l

Let r be the radii of the two cones

Let l

_{1}and l_{2}be the slant heights of cone 1 and cone 2 respectively.
Answered by Renu Varma | 31 Jan, 2022, 12:12: PM

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