You may have used sports “cones” like these at school:
![Sports cones in the shape of cones without their tips.](/circles/cones/images/cones.png)
The mathematical name for a truncated cone such as this is a frustum of a cone.
What volume of plastic is needed to make such a “cone”?
You may have used sports “cones” like these at school:
The mathematical name for a truncated cone such as this is a frustum of a cone.
What volume of plastic is needed to make such a “cone”?