- same
number of faces meet at each
vertex.
There are only five such polyhedra:
Geometers have
studied the
Platonic solids for
thousands of years. They...
-
Archimedean solid because it is not
vertex-transitive. The
Archimedean solids have
a single vertex configuration and
highly symmetric properties.
A vertex configuration...
- symmetric.
Their dual, the
Archimedean solids, are
vertex-transitive but not face-transitive. Each
Catalan solid has
constant dihedral angles, meaning...
-
Solid geometry or
stereometry is the
geometry of three-dimensional
Euclidean space (3D space).
A solid figure is the
region of 3D
space bounded by
a two-dimensional...
-
a solid angle (symbol: Ω) is
a measure of the
amount of the
field of view from some
particular point that
a given object covers. That is, it is
a measure...
- From all
of the
Johnson solids, the
elongated square gyrobicupola (also
called the pseudorhombicuboctahedron) is
unique in
being locally vertex-uniform:...
- of
global symmetries that map
every vertex to
every other vertex,
unlike the 13
Archimedean solids. It is also
a canonical polyhedron. For this reason...
-
There are 12
related Johnson solids, 5 by diminishment, and 8
including gyrations: The
rhombicosidodecahedron shares its
vertex arrangement with
three nonconvex...
-
square gyrobicupola is
a polyhedron that is
similar to
a rhombicuboctahedron, but it is not an
Archimedean solid because it is not
vertex-transitive. The rhombicuboctahedron...
- each
separating a triangle from
a square. As such, it is
a quasiregular polyhedron, i.e., an
Archimedean solid that is not only
vertex-transitive but also...