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Is a frustum a polyhedron?
Yes and it is cone that has part of its top cut off parallel to its base and it looks like a plant pot.
What shape has two circular faces and one curved faceit has two edges and no vertices?
A cylinder, a doughnut with a slice cut out by radial planes, a sphere with two slices removed (possibly in a wedge shape), a cone with its top and bottom cut off by horizontal planes, a paraboloid with top and bottom cut off by horizontal planes.
Pyramid with the top point cut off would be called what?
A frustum. Specifically, a frustum of a triangular pyramid -- as one could also have a frustum of a cone, square pyramid, etc.Read more: What_do_you_call_a_triangular_pyramid_with_the_top_cut_off
Is a cone a cylinder?
No, it is not. For a cone, think of a standard ice-cream cone shape (or a witches hat) - a circular top OR base (but not both), which has sides coming off that taper into a point. Whereas a cylinder has a circular top AND base, (like the shape of baked bean cans), with sides joining both top and base.
Is a trapezium a paralleogram?
no, it looks like an equilateral triangle with the top cut off.
