2012 · Q76
The curved surface area of a right circular cone of radius 14 cm is 440 square cm. What is the slant height of the cone?
Elementary MathematicsMensuration
- A10 cm
- B11 cm
- C12 cm
- D13 cm
Explanation
pi*r*l = 440 gives (22/7)*14*l = 440, so l = 10 cm.