Heptagonal dihedron

Heptagonal dihedron
Dimensionality	3
Schläfli Symbol	'"`UNIQ--postMath-00000001-QINU`"'
Subfacets
Vertices	7 points
Edges	7 line segments
Faces	2 heptagons
Cells	1 heptagonal dihedron
Hypervolumes
Vertex Count	'"`UNIQ--postMath-00000002-QINU`"'
Edge Length	'"`UNIQ--postMath-00000003-QINU`"'
Surface Area	'"`UNIQ--postMath-00000004-QINU`"'
Surcell Volume	'"`UNIQ--postMath-00000005-QINU`"'

A heptagonal dihedron is a 3-D polyhedron with two heptagonal faces which share their edges and vertices. In normal Euclidean space, it is degenerate, but can exist as a tiling of the sphere where each face makes up a hemisphere.

See Also

$\{e,v\}$	$\{e,1\}$	$\{e,2\}$	$\{e,3\}$	$\{e,4\}$	$\{e,5\}$	$\{e,6\}$	$\{e,7\}$	$\{e,8\}$	...	$\{e,\aleph_0\}$
$\{1,v\}$	$\{1, 1\}$ Monogonal monohedron	$\{1,2\}$ Monogonal Dihedron	$\{1,3\}$ Monogonal trihedron	$\{1,4\}$ Monogonal tetrahedron	$\{1,5\}$ Monogonal pentahedron	$\{1,6\}$ Monogonal hexahedron	$\{1,7\}$ Monogonal heptahedron	$\{1,8\}$ Monogonal octahedron	...	$\{1,\aleph_0\}$ N/A
$\{2,v\}$	$\{2,1\}$ Monogonal hosohedron	$\{2,2\}$ Digonal hosohedron	$\{2,3\}$ Trigonal hosohedron	$\{2,4\}$ Square hosohedron	$\{2,5\}$ Pentagonal hosohedron	$\{2,6\}$ Hexagonal hosohedron	$\{2,7\}$ Heptagonal hosohedron	$\{2,8\}$ Octagonal hosohedron	...	$\{ 2,\aleph_0 \}$ Apeirogonal hosohedron
$\{3,v\}$	$\{3,1\}$ N/A	$\{3,2\}$ Triangular dihedron	$\{3, 3\}$ Tetrahedron	$\{3, 4\}$ Octahedron	$\{3, 5\}$ Icosahedron	$\{3,6\}$ Triangular tiling	$\{3,7\}$ Order-7 triangular tiling	$\{3,8\}$ Order-8 triangular tiling	...	$\{3,\aleph_0\}$ Infinite-order triangular tiling
$\{4,v\}$	$\{4,1\}$ N/A	$\{4,2\}$ Square dihedron	$\{4,3\}$ Cube	$\{4,4\}$ Square tiling	$\{4,5\}$ Order-5 square tiling	$\{4,6\}$ Order-6 square tiling	$\{4,7\}$ Order-7 square tiling	$\{4,8\}$ Order-8 square tiling	...	$\{4,\aleph_0\}$ Infinite-order square tiling
$\{5,v\}$	$\{5,1\}$ N/A	$\{5,2\}$ Pentagonal dihedron	$\{5, 3\}$ Dodecahedron	$\{5,4\}$ Order-4 pentagonal tiling	$\{5,5\}$ Order-5 pentagonal tiling	$\{5,6\}$ Order-6 pentagonal tiling	$\{5,7\}$ Order-7 pentagonal tiling	$\{5,8\}$ Order-8 pentagonal tiling	...	$\{5,\aleph_0\}$ Infinite-order pentagonal tiling
$\{6,v\}$	$\{6,1\}$ N/A	$\{6,2\}$ Hexagonal dihedron	$\{6,3\}$ Hexagonal tiling	$\{6,4\}$ Order-4 hexagonal tiling	$\{6,5\}$ Order-5 hexagonal tiling	$\{6,6\}$ Order-6 hexagonal tiling	$\{6,7\}$ Order-7 hexagonal tiling	$\{6,8\}$ Order-8 hexagonal tiling	...	$\{6,\aleph_0\}$ Infinite-order hexagonal tiling
$\{7,v\}$	$\{7,1\}$ N/A	$\{7,2\}$ Heptagonal dihedron	$\{7,3\}$ Order-3 heptagonal tiling	$\{7,4\}$ Order-4 heptagonal tiling	$\{7,5\}$ Order-5 heptagonal tiling	$\{7,6\}$ Order-6 heptagonal tiling	$\{7,7\}$ Order-7 heptagonal tiling	$\{7,8\}$ Order-8 heptagonal tiling	...	$\{7,\aleph_0\}$ Infinite-order heptagonal tiling
$\{8,v\}$	$\{8,1\}$ N/A	$\{8,2\}$ Octagonal dihedron	$\{8,3\}$ Order-3 octagonal tiling	$\{8,4\}$ Order-4 octagonal tiling	$\{8,5\}$ Order-5 octagonal tiling	$\{8,6\}$ Order-6 octagonal tiling	$\{8,7\}$ Order-7 octagonal tiling	$\{8,8\}$ Order-8 octagonal tiling	...	$\{8,\aleph_0\}$ Infinite-order octagonal tiling
...	...	...	...	...	...	...	...	...	$\emptyset$	...
$\{\aleph_0,v\}$	$\{\aleph_0,1\}$ N/A	$\{ \aleph_0, 2 \}$ Apeirogonal dihedron	$\{\aleph_0,3\}$ Order-3 apeirogonal tiling	$\{\aleph_0,4\}$ Order-4 apeirogonal tiling	$\{\aleph_0,5\}$ Order-5 apeirogonal tiling	$\{\aleph_0,6\}$ Order-6 apeirogonal tiling	$\{\aleph_0,7\}$ Order-7 apeirogonal tiling	$\{\aleph_0,8\}$ Order-8 apeirogonal tiling	...	$\{\aleph_0,\aleph_0\}$ Infinite-order apeirogonal tiling

Regular $t_0 \{7,2\}$	Rectified $t_1 \{7,2\}$	Birectified $t_2 \{7,2\}$	Truncated $t_{0,1} \{7,2\}$	Bitruncated $t_{1,2} \{7,2\}$	Cantellated $t_{0,2} \{7,2\}$	Cantitruncated $t_{0,1,2} \{7,2\}$
Heptagonal dihedron	Heptagonal dihedron	Heptagonal hosohedron	Truncated heptagonal dihedron	Heptagonal prism	Heptagonal prism	Tetradecagonal prism