Question

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

Answer 1

We are given, Radii are equal so, r1 = r2
Let Slant heights be 5k and 8k

so, ratio of CSA = pi*r1*5k/pi*r2*8k = 5:8