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decagonal
decagonal, a. (dɪˈkægənəl) [f. med.L. decagōn-um + -al1.] Of or pertaining to a decagon; of the form of a decagon; ten-sided.1571 Digges Pantom. iv. ix. Y j b, The decagonall corde of that circle wheron Icosaedron is framed. 1717 Berkeley Tour in Italy Wks. 1871 IV. 526 What remains is a decagonal b...
Oxford English Dictionary
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Decagonal antiprism
In geometry, the decagonal antiprism is the eighth in an infinite set of antiprisms formed by an even-numbered sequence of triangle sides closed by two See also
External links
Decagonal Antiprism: 3-d polyhedron model
Virtual Reality Polyhedra www.georgehart.com: The Encyclopedia of Polyhedra
VRML
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Decagonal prism
Uses
The decagonal prism exists as cells in two four-dimensional uniform 4-polytopes:
Decagonal prisms are often used in combination locks. Related polyhedra
External links
3-d model of a Decagonal Prism
Prismatoid polyhedra
Zonohedra
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Decagonal bipyramid
In geometry, a decagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If a decagonal bipyramid is to be face-transitive, all faces must be isosceles triangles. It is an icosahedron, but not the regular one.
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Ralphsnyder Decagonal Barn
Ralphsnyder Decagonal Barn is a historic decagonal shaped barn located near Masontown, Preston County, West Virginia. Buildings and structures in Preston County, West Virginia
National Register of Historic Places in Preston County, West Virginia
Barns in West Virginia
Decagonal
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Centered decagonal number
dot in successive decagonal layers. The centered decagonal number for n is given by the formula
Thus, the first few centered decagonal numbers are
1, 11, 31, 61, 101, 151, 211, 281, 361
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Dodecahedral prism
Projections
The pentagonal-prism-first orthographic projection of the dodecahedral prism into 3D space has a decagonal envelope (see diagram). The two dodecahedra project onto the decagonal faces of the envelope.
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Triaugmented truncated dodecahedron
As its name suggests, it is created by attaching three pentagonal cupolas () onto three nonadjacent decagonal faces of a truncated dodecahedron.
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Small dodecahemidodecahedron
It is a hemipolyhedron with six decagonal faces passing through the model center. arrangement with the icosidodecahedron (its convex hull, having the pentagonal faces in common), and with the small icosihemidodecahedron (having the decagonal
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Small icosihemidodecahedron
It is a hemipolyhedron with its six decagonal faces passing through the model center. arrangement with the icosidodecahedron (its convex hull, having the triangular faces in common), and with the small dodecahemidodecahedron (having the decagonal
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Compound of six decagonal prisms
This uniform polyhedron compound is a symmetric arrangement of 6 decagonal prisms, aligned with the axes of fivefold rotational symmetry of a dodecahedron
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Augmented truncated dodecahedron
As its name suggests, it is created by attaching a pentagonal cupola () onto one decagonal face of a truncated dodecahedron.
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Parabiaugmented truncated dodecahedron
As its name suggests, it is created by attaching two pentagonal cupolas () onto two parallel decagonal faces of a truncated dodecahedron.
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1972 Campeonato Gaúcho
The two best teams in each group qualified to the decagonal. Decagonal: The remaining eight teams, now joined by Grêmio and Internacional, would play each other in a double round-robin format.
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1974 Campeonato Gaúcho
Decagonal: The remaining eight teams, now joined by Grêmio and Internacional, would play each other in a double round-robin format. Finals: The winners of the two rounds of the Decagonal qualified to this stage.
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