Octagonal dihedron

Octagonal dihedron
Dimensionality	3
Schläfli Symbol	$\{8,2\}$
Subfacets
Vertices	8 points
Edges	8 line segments
Faces	2 octagons
Cells	1 octagonal dihedron
Hypervolumes
Vertex Count	$8$
Edge Length	$8l$
Surface Area	$\left(4+4{\sqrt {2}}\right)l^{2}$
Surcell Volume	$0$

An octagonal dihedron is a 3-D polyhedron with two octagonal 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

Template:Variant Nav 8 X

Regular $t_{0}\{8,2\}$	Rectified $t_{1}\{8,2\}$	Birectified $t_{2}\{8,2\}$	Truncated $t_{0,1}\{8,2\}$	Bitruncated $t_{1,2}\{8,2\}$	Cantellated $t_{0,2}\{8,2\}$	Cantitruncated $t_{0,1,2}\{8,2\}$
Octagonal dihedron	Octagonal dihedron	Octagonal hosohedron	Truncated octagonal dihedron	Octagonal prism	Octagonal prism	Hexadecagonal prism

$\{0,2\}$	$\{1,2\}$	$\{2,2\}$	$\{3,2\}$	$\{4,2\}$	$\{5,2\}$	$\{6,2\}$	$\{7,2\}$	$\{8,2\}$	...	$\{\infty ,2\}$	$\{{\frac {\pi i}{\lambda }},2\}$
Zerogonal dihedron	Monogonal dihedron	Digonal dihedron	Trigonal dihedron	Square dihedron	Pentagonal dihedron	Hexagonal dihedron	Heptagonal dihedron	Octagonal dihedron	...	Apeirogonal dihedron	Pseudogonal dihedron