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
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Brianchon's theorem

Summary

Brianchon's theorem is a theorem[1]. It draws 26 Wikipedia views per month (theorem category, ranking #251 of 1,306).[2]

Key Facts

  • Brianchon's theorem's image is recorded as Brianchon satz.png[3].
  • Brianchon's theorem's instance of is recorded as theorem[4].
  • Charles Julien Brianchon is named after Brianchon's theorem[5].
  • Brianchon's theorem's part of is recorded as list of theorems[6].
  • Brianchon's theorem's Commons category is recorded as Brianchon's theorem[7].
  • Brianchon's theorem's Freebase ID is recorded as /m/059yxr[8].
  • Brianchon's theorem's Gran Enciclopèdia Catalana ID is recorded as 0012233[9].
  • Brianchon's theorem's Encyclopædia Britannica Online ID is recorded as topic/Brianchons-theorem[10].
  • Brianchon's theorem's statement describes is recorded as conic section[11].
  • Brianchon's theorem's statement describes is recorded as hexagon[12].
  • Brianchon's theorem's studied by is recorded as Euclidean geometry[13].
  • Brianchon's theorem's MathWorld ID is recorded as BrianchonsTheorem[14].
  • Brianchon's theorem's Great Russian Encyclopedia Online ID is recorded as 1883571[15].
  • Brianchon's theorem's maintained by WikiProject is recorded as WikiProject Mathematics[16].
  • Brianchon's theorem's Microsoft Academic ID is recorded as 156334865[17].
  • Brianchon's theorem's Visuotinė lietuvių enciklopedija ID is recorded as brianchono-teorema[18].
  • Brianchon's theorem's Lex ID is recorded as Brianchonske_sætning[19].
  • Brianchon's theorem's Treccani's Enciclopedia della Matematica ID is recorded as teorema-di-brianchon[20].
  • Brianchon's theorem's Great Russian Encyclopedia portal ID is recorded as teorema-brianshona-2447ed[21].
  • Brianchon's theorem's Gran Enciclopèdia Catalana ID is recorded as teorema-de-brianchon[22].

Why It Matters

Brianchon's theorem draws 26 Wikipedia views per month (theorem category, ranking #251 of 1,306).[2] It has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[23]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Freebase Data Dumps. wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Brianchon's theorem. Retrieved May 3, 2026, from https://4ort.xyz/entity/brianchon-s-theorem
MLA “Brianchon's theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 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: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Brianchon's theorem — https://4ort.xyz/entity/brianchon-s-theorem (retrieved 2026-05-03)

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