| A | B |
| Polyhedron | Solid bounded by polygons |
| Faces | The polygon that makes up the polyhedron. |
| Vertex | The point where the edges meet. |
| Edge | Line segment formed by intersecting faces. |
| Euler | Worked with polyhedrons relationships of the edges, faces and vertices. |
| Regular Polyhedron | Another name for Platonic Solid. |
| Archimedian Solid | Polyhedron made up of more than 1 type of polygon. |
| Truncate | To cut off or shorten |
| Snub | Rounded |
| Rhombi | Bent or turned |
| Icosahedron | 20 sided polyhedron |
| Dodecahedron | 12 sided polyhedron |
| Cube | 6 sided polyhedron |
| Tetrahedron | 4 sided polyhedron |
| Octahedron | 8-sided polyhedron |
| Duality | 2 Platonic Solids that are related by their faces and vertices |
| Euclid | Wrote the "Elements". |
| Keppler | Studied Duality of the Platonic solids. |