File:01 Neuneck-Winkeldreiteilung nach Alberts.svg
Summary
| Description |
Deutsch: Neuneck (Nonagon) bei gegebenem Umkreis mit Winkeldreiteilung. Nach einer von Rouben Rostamia im Jahr 2011 veröffentlichten Beschreibunng. Prinzip nach Chris Alberts, Näherungskonstruktion
English: Nonagon for a given circumference with an angle trisection. According to a description published by Rouben Rostamia in 2011. Principle according to Chris Alberts, an approximation construction |
| Date | |
| Source | Own work |
| Author | Petrus3743 |
| Other versions |
 Nonagon, approximate construction with exceptional accuracy, trisection of the angle 60° according to Chris Alberts' method. |
| SVG development |
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