Heptagonal antiprism

Heptagonal antiprism

Infobox Polyhedron_with_vertfig



Polyhedron_Type=Semiregular polyhedron
Face_List=16 triangles
2 heptagons
Edge_Count=21
Vertex_Count=14
Wythoff_Symbol= 2 2 7
Symmetry_Group=D7d
Vertex_List=3.3.3.7
Dual=Heptagonal trapezohedron
Property_List=convex
Vertex

In geometry, the heptagonal antiprism is the fourth in an infinite set of antiprisms formed by an even-numbered sequence of triangle sides closed by two polygon caps.

If faces are all regular, it is a semiregular polyhedron.

See also

* Set of antiprisms
* Octahedron Triangle-capped antiprism
* Square antiprism
* Pentagonal antiprism
* Hexagonal antiprism
* Octagonal antiprism

External links

* [http://www.georgehart.com/virtual-polyhedra/vp.html Virtual Reality Polyhedra] www.georgehart.com: The Encyclopedia of Polyhedra
** VRML [http://www.georgehart.com/virtual-polyhedra/vrml/heptagonal_antiprism.wrl model]
** [http://www.georgehart.com/virtual-polyhedra/conway_notation.html Conway Notation for Polyhedra] Try: "A7"


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