Gergonne triangle

noun

A triangle defined by the three touchpoints of the incircle on the three sides of a given triangle.

Meanings

nounGergonne triangle (plural Gergonne triangles)

plural Gergonne triangles

  1. 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
APA

Gergonne triangle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Gergonne%20triangle

MLA

“Gergonne triangle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Gergonne%20triangle. Accessed November 4, 2026.

Chicago

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.