- In geometry, a
polyhedron (pl.:
polyhedra or
polyhedrons; from Gr**** πολύ (poly-) 'many' and ἕδρον (-hedron) 'base, seat') is a three-dimensional figure...
- In geometry,
every polyhedron is ****ociated with a
second dual structure,
where the
vertices of one
correspond to the
faces of the other, and the edges...
-
Platonic solid is a convex,
regular polyhedron in three-dimensional
Euclidean space.
Being a
regular polyhedron means that the
faces are
congruent (identical...
-
space is
called an n-dimensional
polyhedron.
Polyhedron may also
refer to:
Polyhedron (magazine),
formerly Polyhedron Newszine, a
former magazine targeting...
- three-dimensional
solid object bounded by six
congruent square faces, a type of
polyhedron. It has
twelve congruent edges and
eight vertices. It is a type of parallelepiped...
- 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...
- more
specifically in
polyhedral combinatorics, a
Goldberg polyhedron is a
convex polyhedron made from
hexagons and pentagons. They were
first described...
- A
geodesic polyhedron is a
convex polyhedron made from triangles. They
usually have
icosahedral symmetry, such that they have 6
triangles at a vertex...
- "reflex". More generally, a
vertex of a
polyhedron or
polytope is convex, if the
intersection of the
polyhedron or
polytope with a
sufficiently small sphere...
- In geometry, a
uniform polyhedron has
regular polygons as
faces and is vertex-transitive—there is an
isometry mapping any
vertex onto any other. It follows...
