Question

The radius & slant height of a right circular cone are in the ratio of 7:13 & its curved surface area is 286 sq.cm.Find the radius of the cone

Answer 1

i hope this will usful to u

Answer 2

Ratio 7:13

Let these be x

CSA of come is pie r square h

286 = 22*7x*13/7

286=286xsq

Xsq=1

X=1

7*x=7