Meanings
plural Gergonne triangles
- geometryA triangle defined by the three touchpoints of the incircle on the three sides of a given triangle.
Origin
Named after Joseph Diaz Gergonne.
Full word history & related roots →Cite this entry
Gergonne triangle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Gergonne%20triangle
“Gergonne triangle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Gergonne%20triangle. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Gergonne triangle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Gergonne%20triangle.
Source: Gergonne triangle on Wiktionary, CC BY-SA 4.0.