Mathematics for IGCSE & O level - Mensuration (Section 10 - No. 11)
Which of the following shapes can be considered a frustum?
A cone with its top cut off
A sphere
A cylinder
A pyramid with its top cut off
คำอธิบาย
A frustum is the portion of a solid (like a cone or pyramid) that remains after the top has been cut off by a plane parallel to the base.