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| Math Central | Quandaries & Queries |
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Question from Roy, a teacher: I read on this page that a pyramid is a special kind of cone, but a cone is not a pyramid. Does this apply to cylinders. Is a prism a special kind of cylinder, but a cylinder is not a prism? |
I read on this page that a pyramid is a special kind of cone, but (in general) a cone is not a pyramid.
We have to be careful here, some cones are pyramids.
Does this apply to cylinders. Is a prism a special kind of cylinder, but (in general) a cylinder not a prism?
Exactly. "You have learned well, Grasshopper." And a cube is a special kind of prism...
RD
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