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Geo_6.3
Vocabulary for Geometry_6.3
| Term | Definition |
|---|---|
| base of a polyhedron | The two parallel congruent faces of a polyhedron. |
| cross section | The intersection of a solid and a plane. |
| edge | A line that connects two nodes in a network. |
| face of a polyhedron | The flat surface of a polyhedron. |
| Platonic solid | The five regular polyhedra: tetrahedron, hexahedron, octahedron, dodecahedron, and icosahedron. |
| polyhedron | A solid with all flat surfaces that enclose a single region of space. |
| prism | A polyhedron with two parallel congruent faces called bases connected by parallelogram faces. |
| regular polyhedron | A polyhedron is a regular polyhedron if all its faces are regular congruent polygons and all of the edges are congruent. |
| vertex of a polyhedron | The point where three or more edges intersect. |