the radius and slant height of a cone are in the ratio 2:7 and is curved surface area is 308cm2. Find it’s radius.

Question

the radius and slant height of a cone are in the ratio 2:7 and is curved surface area is 308cm2. Find it's radius.​

Madelyn · Answer

Answer:   πrl=308    22/7 ×1X×2X=308    x^2=308×7)/22×2=77×7)/11=7×7    X=✓7×7=7cm    Radius=7cm

Julia · Answer

answer     πrl=308  22/7 ×1X×2X=308  x^2=308×7)/22×2=77×7)/11=7×7  X=✓7×7=7cm  Radius=7cm

the radius and slant height of a cone are in the ratio 2:7 and is curved surface area is 308cm2. Find it’s radius.​