NCERT Class 9 Solutions: Surface Areas and Volumes (Chapter 13) Exercise 13.7 – Part 2
Q-3 The height of a cone is . If its volume is , find the radius of the base. (Use )
We are given,
Consider, the radius of the base of cone to be
Q-4 If the volume of a right circular cone of height is , find the diameter of its base.
Consider, the radius of the base of the cone be
Q-5 A conical pit of top diameter is deep. What is its capacity in kiloliters?
Diameter of the top of the conical pit therefore, radius
Depth of the pit