edge of polyhedron
81Vertex arrangement — See vertex figure for the local description of faces around a vertex of a polyhedron or tiling. In geometry, a vertex arrangement is a set of points in space described by their relative positions. They can be described by their use in… …
82Ditrigonal dodecadodecahedron — Type Uniform star polyhedron Elements F = 24, E = 60 V = 20 (χ = −16) Faces by sides 12{5}+12{5/2} Wy …
83Icosidodecahedron — An icosidodecahedron is a polyhedron with twenty triangular faces and twelve pentagonal faces. An icosidodecahedron has 30 identical vertices, with two triangles and two pentagons meeting at each, and 60 identical edges, each separating a… …
84Torus — Not to be confused with Taurus (disambiguation). This article is about the surface and mathematical concept of a torus. For other uses, see Torus (disambiguation). A torus As the distance to th …
85Modular origami — A stellated icosahedron made from custom papers Modular origami, or unit origami, is a paperfolding technique which uses multiple sheets of paper to create a larger and more complex structure than would be possible using single piece origami… …
86Oxyanion — An oxyanion or oxoanion is a chemical compound with the generic formula AxOyz− (where A represents a chemical element and O represents an oxygen atom). Oxyanions are formed by a large majority of the chemical elements.[1] The formulae of simple… …
87Rhombic dodecahedron — The rhombic dodecahedron is a convex polyhedron with 12 rhombic faces. It is an Archimedean dual solid, or a Catalan solid. Its dual is the cuboctahedron. Properties It is the polyhedral dual of the cuboctahedron, and a zonohedron. The long… …
88Rectified 600-cell — Four rectifications 600 cell …
89Rectified 5-cell — Schlegel diagram with the 5 tetrahedral cells shown. Type Uniform polychoron Schläfli symbol t1{3,3,3} Coxeter Dynkin diagram …
90Great disnub dirhombidodecahedron — In geometry, the Great disnub dirhombidodecahedron, also called Skilling s figure , is a nonconvex uniform polyhedron.John Skilling discovered this one further uniform polyhedron, by relaxing the condition that only two faces may meet at an edge …
