Octagram
In geometry, an octagram is an eight-angled star polygon.
Look up octagram in Wiktionary, the free dictionary.
| Regular octagram | |
|---|---|
A regular octagram | |
| Type | Regular star polygon |
| Edges and vertices | 8 |
| Schläfli symbol | {8/3} t{4/3} |
| Coxeter–Dynkin diagrams | |
| Symmetry group | Dihedral (D8) |
| Internal angle (degrees) | 45° |
| Properties | star, cyclic, equilateral, isogonal, isotoxal |
| Dual polygon | self |
| Star polygons |
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The name octagram combine a Greek numeral prefix, octa-, with the Greek suffix -gram. The -gram suffix derives from γραμμή (grammḗ) meaning "line".
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