257-gon
Polygon with 257 sides / From Wikipedia, the free encyclopedia
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In geometry, a 257-gon is a polygon with 257 sides. The sum of the interior angles of any non-self-intersecting 257-gon is 45,900°.
Quick Facts Regular 257-gon, Type ...
Regular 257-gon | |
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Type | Regular polygon |
Edges and vertices | 257 |
Schläfli symbol | {257} |
Coxeter–Dynkin diagrams | |
Symmetry group | Dihedral (D257), order 2×257 |
Internal angle (degrees) | ≈178.599° |
Properties | Convex, cyclic, equilateral, isogonal, isotoxal |
Dual polygon | Self |
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