Brianchon's theorem

theorem that the three long diagonals of a hexagon that is tangent to a conic section meet in a single point
Intangible theorem Q119450

Facts

6 properties
Instance of
theorem
Maintained by WikiProject
WikiProject Mathematics[7]
Statement describes
conic section, hexagon[4][5]
🏷️ Also known as
en Brianchon's theorem ar نظرية بريانكون da Brianchonske sætning de Satz von Brianchon es teorema de Brianchon fa قضیه بریانشون fi Brianchonin lause fr théorème de Brianchon he משפט בריינשון hu Brianchon-tétel it teorema di Brianchon ja ブリアンションの定理 ko 브리앙숑의 정리 nl Stelling van Brianchon pl Twierdzenie Brianchona ro Teorema lui Brianchon ru Теорема Брианшона tr Brianchon teoremi uk Теорема Бріаншона vi Định lý Brianchon
🔖 Identifiers · 12
Image (Wikimedia Commons)
Brianchon satz.png ↗
Encyclopædia Britannica Online ID
topic/Brianchons-theorem
Freebase ID
/m/059yxr
Gran Enciclopèdia Catalana ID
teorema-de-brianchon
Gran Enciclopèdia Catalana ID (former scheme)
0012233
Great Russian Encyclopedia Online ID (2017)
1883571
Great Russian Encyclopedia portal ID
teorema-brianshona-2447ed
MathWorld ID
BrianchonsTheorem
Microsoft Academic ID (discontinued)
156334865
Treccani's Enciclopedia della Matematica ID
teorema-di-brianchon
Visuotinė lietuvių enciklopedija ID
brianchono-teorema

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🔗 Connections
Statement describes 2
Created notable works 1
Instance of 1
Maintained by WikiProject 1
Named after 1
Part of 1
Studied by 1
← FactGrid item ID 1
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Summary

Brianchon's theorem is a theorem[1].

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APA 4ort.xyz Knowledge Graph. (2026). Brianchon's theorem. Retrieved November 5, 2026, from https://4ort.xyz/entity/brianchon-s-theorem
MLA “Brianchon's theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/brianchon-s-theorem.
BibTeX @misc{4ortxyz_brianchon-s-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Brianchon's theorem}}, year = {2026}, url = {https://4ort.xyz/entity/brianchon-s-theorem}, note = {Accessed: 2026-11-05}}
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