Back اثنا عشري الأضلاع Arabic Dodecágonu AST Dodekagono BCL Дванадесетоъгълник Bulgarian Dodecàgon Catalan دوازدەلا CKB Dvanáctiúhelník Czech Вуниккĕтеслĕх CV Zwölfeck German Δωδεκάγωνο Greek
| Regular dodecagon | |
|---|---|
 A regular dodecagon | |
| Type | Regular polygon |
| Edges and vertices | 12 |
| Schläfli symbol | {12}, t{6}, tt{3} |
| Coxeter–Dynkin diagrams |     |
| Symmetry group | Dihedral (D12), order 2×12 |
| Internal angle (degrees) | 150° |
| Properties | Convex, cyclic, equilateral, isogonal, isotoxal |
| Dual polygon | Self |
In geometry, a dodecagon, or 12-gon, is any twelve-sided polygon.
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