(Q3527074)
Statements
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Sitelinks
Wikipedia(5 entries)
- dewiki Satz von Feuerbach
- frwiki Théorème de Feuerbach
- itwiki Teorema di Feuerbach
- kowiki 포이어바흐 정리
- ruwiki Теорема Фейербаха
the theorem that the nine-point circle of any triangle is tangent to the incircle and to the three excircles
No description defined