Q. The curved surface area of a cone is 308 cm². If the radius is 7 cm and π=22/7, the slant height is:
✅ Correct Answer: (B)
14 cm
Explanation: 308=(22/7)×7×l=22l ⇒ l=14 cm.
Explanation by: Krishna Sharma
308=(22/7)×7×l=22l ⇒ l=14 cm.