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Pyramids and prisms are specific kinds of polyhedra. The word polyhedra is the plural form of polyhedron.. A polygon is a 2-dimensional shape.. . . . . . A polyhedron is a 3-dimensional shape.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Presto! A triangular prism!.
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1. The difference between prisms & pyramids. “It’s all about how you slice it!”
2. Pyramids and prisms are specific kinds of polyhedra. The word polyhedra is the plural form of polyhedron.
3. A polygon is a 2-dimensional shape.
4. A polyhedron is a 3-dimensional shape.
41. A prism is made of congruent shapes.
42. A pyramid is made of similar shapes that get smaller and smaller.
43. If you know the names of common polygons, then naming a prism or pyramid will be easy for you.
44. Look at the polygon on the bottom of the shape.
48. This is a pentagon.
54. If you know the common polygons and if you know the difference between a prism and a pyramid, naming these shapes is easy.
55. The only unique name that you have to remember is the “cube.”
56. A cube is a specific kind of rectangular prism.
57. A rectangular prism that has 6 congruent faces is called a cube.
63. The end.
