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 Related Terms
 Regular Polyhedron:  A 3-dimensional solid that has congruent regular polygons as faces and has congruent angles between all faces.
Cube: A regular polyhedron whose six faces are congruent squares.
Dodecahedron: A regular polyhedron whose twelve faces are congruent regular pentagons.
Icosahedron: A regular polyhedron whose twenty faces are congruent equilateral triangles.
Octahedron: A regular polyhedron whose eight faces are congruent equilateral triangles.
Platonic Solids: The five regular polyhedrons, meaning that they are polyhedrons that have faces which are congruent regular polygons and have the same number of edges meeting at each vertex.
Tetrahedron: A regular polyhedron whose four faces are congruent equilateral triangles.
Three-Dimensional Figure: Figures that have length, width, and thickness.
Face: One of the polygons that makes up a polyhedron.
Regular Polygon: A polygon that is equiangular (all angles are equal) and equilateral (all sides are equal).
Solid: A figure that has length, width, and thickness (i.e., a figure that is 3-dimensional).