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Reuleaux triangle

Reuleaux polygon with three sides
Class type of: regular Reuleaux polygon, circular triangle Q959203
Reuleaux triangle
Andrew Pertsev · Public Domain · Wikimedia

Facts

5 properties
Subclass of
regular Reuleaux polygon, circular triangle[2][3]
Has characteristic
perimeter, area, inradius, circumradius, isoperimetric ratio[4][5][6][7][8]
Maintained by WikiProject
WikiProject Mathematics[11]
Named after
Franz Reuleaux[1]
On focus list of Wikimedia project
GLAM of Matemateca, Wikipedia:Vital articles/Level/4[9][10]
🏷️ Also known as
en Reuleaux rotor en Reuleaux triangle ar مثلث رولو cs Reuleauxův trojúhelník de Reuleaux-Dreieck el Τρίγωνο Ρελώ es triángulo de Reuleaux es rotor de Reuleaux es triangulo de Reuleaux fi Reuleaux’n kolmio fr triangle de Reuleaux he משולש רולו hu Reuleaux-háromszög it triangolo di Reuleaux ja ルーローの三角形 ko 뢸로 삼각형 nl reuleaux-driehoek pl trójkąt Reuleaux pl trójkąt Reuleauxa pt triângulo de Reuleaux
🔖 Identifiers · 5
Freebase ID
/m/02s2v8
KBpedia ID
ReuleauxTriangle
MathWorld ID
ReuleauxTriangle
Microsoft Academic ID (discontinued)
59353063
Treccani's Enciclopedia della Matematica ID
triangolo-di-reuleaux

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🔗 Connections
Has characteristic 2
area, perimeter
Subclass of 2
regular Reuleaux polygon, circular triangle
Maintained by WikiProject 1
WikiProject Mathematics
Named after 1
Franz Reuleaux
Named after 1
Reuleaux tetrahedron
On focus list of Wikimedia project 1
Wikipedia:Vital articles/Level/4
← Statement describes 1
Blaschke–Lebesgue theorem
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Body

Works and Contributions

Things named for Reuleaux triangle include Reuleaux tetrahedron[12].

Why It Matters

Entities named for it include Reuleaux tetrahedron[12].

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [12] ↑ . wikidata.org. → on this site

📑 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). Reuleaux triangle. Retrieved November 4, 2026, from https://4ort.xyz/entity/reuleaux-triangle
MLA “Reuleaux triangle.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/reuleaux-triangle.
BibTeX @misc{4ortxyz_reuleaux-triangle_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Reuleaux triangle}}, year = {2026}, url = {https://4ort.xyz/entity/reuleaux-triangle}, note = {Accessed: 2026-11-04}}
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