The number of edges of a pyramid is twice the number of ... These are the tetrahedron, cube, octahedron, dodecahedron and icosahedron. are used to make dice. One property of a platonic solid ...

and edges? Use the drop down menu to choose from the possible solids: Tetrahedron, Cube, Octahedron, Dodecahedron, Icosahedron, or "My Own Net." Manipulate set shapes in the workspace. Click and drag ...