Q127
The radius of the base and height of a right circular cone are in the ratio 5 : 12. If the volume of the cone is 3142/7 cm3, the slant height (in cm) of the cone will be
The radius of the base and height of a right circular cone are in the ratio 5 : 12. If the volume of the cone is cm3, the slant height (in cm) of the cone will be
A.
12
B.
13
AnswerC.
15
D.
17
Answer: Option B
Solution
Answer: Option B
Solution:
Let the radius and height be 5x and 12x