- In geometry, an
icosahedron (/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/) is a
polyhedron with 20 faces. The name
comes from
Ancient Gr**** εἴκοσι...
- In geometry, the
regular icosahedron (or
simply icosahedron) is a
convex polyhedron that can be
constructed from
pentagonal antiprism by
attaching two...
- In geometry, the
truncated icosahedron is an
Archimedean solid, one of 13
convex isogonal nonprismatic solids whose 32
faces are two or more
types of...
- In geometry, the
great icosahedron is one of four Kepler–Poinsot
polyhedra (nonconvex
regular polyhedra), with Schläfli
symbol {3,5⁄2} and Coxeter-Dynkin...
- cube, and
dodecahedron and that the
discovery of the
octahedron and
icosahedron belong to Theaetetus, a
contemporary of Plato. In any case, Theaetetus...
-
perhaps only one has been
found to be a true
icosahedron, as
opposed to a
reinterpretation of the
icosahedron dual, the dodecahedron. It is also possible...
- In geometry, the
triakis icosahedron is an
Archimedean dual solid, or a
Catalan solid, with 60
isosceles triangle faces. Its dual is the
truncated dodecahedron...
- In geometry, the
metabidiminished icosahedron is one of the
Johnson solids (J62). The name
refers to one way of
constructing it, by
removing two pentagonal...
-
icosahedron is the
outermost stellation of the
icosahedron, and is "complete" and "final"
because it
includes all of the
cells in the
icosahedron's stellation...
-
Complete icosahedron may
refer to: an
icosahedron which has had none of its
faces removed, as
opposed to a
partial icosahedron such as a
geodesic hemisphere...
