Q89
A hemisphere of lead of radius 6 cm is cast into a right circular cone of height 75 cm. The radius of the base of the cone is :
A.
1.4 cm
B.
2 cm
C.
2.4 cm
AnswerD.
4.2 cm
Answer: Option C
Solution
Answer: Option C
Solution:
Let the radius of the cone be R cmThen,