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”?
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”?