Apeirogon
In geometry, an apeirogon (from Ancient Greek ἄπειρος apeiros 'infinite, boundless', and γωνία gonia 'angle') or infinite polygon is a polygon with an infinite number of sides. Apeirogons are the rank 2 case of infinite polytopes. In some literature, the term "apeirogon" may refer only to the regular apeirogon, with an infinite dihedral group of symmetries.
| The regular apeirogon | |
|---|---|
| Edges and vertices | ∞ |
| Schläfli symbol | {∞} |
| Coxeter–Dynkin diagrams | |
| Internal angle (degrees) | 180° |
| Dual polygon | Self-dual |
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