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right triangle

triangle in which one angle is a 90-degree angle
Thing general Q158688
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Summary

right triangle ranks in the top 2% of general entities by monthly Wikipedia readership (4,747 views/month).[1]

Key Facts

  • Subclass of: non-equilateral triangle[2]
  • Commons category: Right triangles[3]
  • Opposite of: acute or obtuse triangle[4]
  • Has part(s): right angle[5]
  • Has facet polytope: hypotenuse[6], cathetus[7]
  • Has characteristic: semiperimeter[8], inradius[9], area[10], Pythagorean theorem[11]
  • Maintained by WikiProject: WikiProject Mathematics[12]

Why It Matters

right triangle has Wikipedia articles in 29 language editions, a strong signal of global cultural recognition.[13] It is known by 39 alternative names across languages and contexts.[14]

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . Wikidata aliases. 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). right triangle. Retrieved October 13, 2026, from https://4ort.xyz/entity/right-triangle
MLA “right triangle.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/right-triangle.
BibTeX @misc{4ortxyz_right-triangle_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{right triangle}}, year = {2026}, url = {https://4ort.xyz/entity/right-triangle}, note = {Accessed: 2026-10-13}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): right triangle — https://4ort.xyz/entity/right-triangle (retrieved 2026-10-13)

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