Recovering a cut height from volume

Recovering a cut height from volume

Secondary 3
4 marks
TGM Original Questions

A right circular cone has perpendicular height 24 cm. A plane parallel to its base removes a smaller cone from the top. The remaining frustum has \(\dfrac78\) of the complete cone’s volume. Find the perpendicular height of the frustum.[4]

Solution:

Solution locked

Sign in to view the step-by-step solution

Please join our E Math programme to search for similar questions for more practice.

E Math Tuition
Answer:12 cm.

Need help? Join our JC Math tuition classes.

Learn more