Tetradecagon: Difference between revisions
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:<math>A = \frac{14}{4}a^2\cot\frac{\pi}{14}\simeq 15.3345a^2</math> |
:<math>A = \frac{14}{4}a^2\cot\frac{\pi}{14}\simeq 15.3345a^2</math> |
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[[File:[[File:Example.jpg]][[Media:[[Media:Example.ogg]]--[[Special:Contributions/65.29.25.23|65.29.25.23]] ([[User talk:65.29.25.23|talk]]) 22:32, 6 January 2010 (UTC)]]]]== Petrie polygons == |
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== Petrie polygons == |
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The regular [[tetradecagon]] is the [[Petrie polygon]] for four higher dimensional polytopes, shown in these skew [[orthogonal projection]]s: |
The regular [[tetradecagon]] is the [[Petrie polygon]] for four higher dimensional polytopes, shown in these skew [[orthogonal projection]]s: |
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{{geometry-stub}} AND I THOUGHT THIS WAS WRITTEN TRUTHFULLY!!! NOTTTTTTTTTTTTTTTTTTT.. |
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{{geometry-stub}} |
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== External links == |
== External links == |
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Revision as of 22:32, 6 January 2010
| Regular tetrakaidecagon | |
|---|---|
| |
| Edges and vertices | 14 |
| Schläfli symbol | {14} |
| Coxeter–Dynkin diagram |   
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| Symmetry group | Dihedral (D14) |
| Internal angle (degrees) |
180*(6/7) degrees |
| Properties | convex, cyclic, equilateral, isogonal, isotoxal |
In geometry, a tetrakaidecagon (or tetradecagon) is a polygon with 14 sides and angles.
The area of a regular tetradecagon of side length a is given by
[[File:
[[Media:Media:Example.ogg--65.29.25.23 (talk) 22:32, 6 January 2010 (UTC)]]]]== Petrie polygons ==
The regular tetradecagon is the Petrie polygon for four higher dimensional polytopes, shown in these skew orthogonal projections:
 7-orthoplex (7D) |
 7-cube (7D) |
 8-demicube (8D) |
13-simplex (13D) |
 | This geometry-related article is a stub. You can help Wikipedia by expanding it. |
AND I THOUGHT THIS WAS WRITTEN TRUTHFULLY!!! NOTTTTTTTTTTTTTTTTTTT..