• Thumbnail for Polyhedron
    In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Greek πολύ (poly-)  'many' and ἕδρον (-hedron)  'base, seat') is a three-dimensional figure...
    91 KB (10,154 words) - 03:12, 20 September 2024
  • Thumbnail for Dual polyhedron
    In geometry, every polyhedron is associated with a second dual structure, where the vertices of one correspond to the faces of the other, and the edges...
    18 KB (2,272 words) - 22:18, 21 August 2024
  • Platonic solid is a convex, regular polyhedron in three-dimensional Euclidean space. Being a regular polyhedron means that the faces are congruent (identical...
    54 KB (5,622 words) - 03:45, 28 September 2024
  • Thumbnail for Goldberg polyhedron
    more specifically in polyhedral combinatorics, a Goldberg polyhedron is a convex polyhedron made from hexagons and pentagons. They were first described...
    12 KB (646 words) - 14:48, 4 May 2024
  • Thumbnail for Cube
    of solids: Platonic solid, regular polyhedron, parallelohedron, zonohedron, and plesiohedron. The dual polyhedron of a cube is the regular octahedron...
    37 KB (3,969 words) - 06:13, 26 September 2024
  • A regular polyhedron is a polyhedron whose symmetry group acts transitively on its flags. A regular polyhedron is highly symmetrical, being all of edge-transitive...
    32 KB (3,126 words) - 07:45, 29 July 2024
  • space is called an n-dimensional polyhedron. Polyhedron may also refer to: Polyhedron (magazine), formerly Polyhedron Newszine, a former magazine targeting...
    720 bytes (119 words) - 05:36, 27 May 2024
  • Thumbnail for Edge (geometry)
    edges; this square has 4 edges. Every edge is shared by two faces in a polyhedron, like this cube. Every edge is shared by three or more faces in a 4-polytope...
    6 KB (621 words) - 13:38, 31 July 2024
  • numbers of vertices (corners), edges and faces in the given polyhedron. Any convex polyhedron's surface has Euler characteristic   χ = V − E + F = 2   ....
    29 KB (3,445 words) - 11:17, 12 September 2024
  • Thumbnail for Geodesic polyhedron
    A geodesic polyhedron is a convex polyhedron made from triangles. They usually have icosahedral symmetry, such that they have 6 triangles at a vertex...
    17 KB (1,141 words) - 04:12, 8 June 2024