obtuse angle

angle greater than 90°
Thing general Q2802178
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obtuse angle

Summary

obtuse angle ranks in the top 2% of general entities by monthly Wikipedia readership (213 views/month).[1]

Key Facts

  • obtuse angle is a type of angle[2].
  • obtuse angle is part of obtuse triangle[3].
  • obtuse angle's Commons category is recorded as Obtuse angles[4].
  • obtuse angle's described by source is recorded as Q140169500[5].
  • obtuse angle's described by source is recorded as Q141203067[6].
  • obtuse angle's different from is recorded as straight angle[7].
  • obtuse angle's different from is recorded as turn[8].
  • obtuse angle's different from is recorded as acute angle[9].
  • obtuse angle's different from is recorded as right angle[10].
  • obtuse angle's maintained by WikiProject is recorded as WikiProject Mathematics[11].

Body

Definition and Type

obtuse angle is a type of angle[2].

Use and Application

obtuse angle is part of obtuse triangle[3].

Influence

Things named for obtuse angle include amblygonite[12], a mineral species[13].

Why It Matters

obtuse angle ranks in the top 2% of general entities by monthly Wikipedia readership (213 views/month).[1] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[14] It is known by 21 alternative names across languages and contexts.[15]

Entities named for it include amblygonite[12], a mineral species[13].

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.

Inverse relationships (entities pointing at this one)

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

Inline context (facts about related entities)

  1. [13] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). obtuse angle. Retrieved October 1, 2026, from https://4ort.xyz/entity/obtuse-angle
MLA “obtuse angle.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/obtuse-angle.
BibTeX @misc{4ortxyz_obtuse-angle_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{obtuse angle}}, year = {2026}, url = {https://4ort.xyz/entity/obtuse-angle}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): obtuse angle — https://4ort.xyz/entity/obtuse-angle (retrieved 2026-10-01)

Canonical URL: https://4ort.xyz/entity/obtuse-angle · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · AddyLockPool · 2026-08-28 view diff on Wikidata ↗
    Described by source → Q140169500, Q141203067
    "/* wbsetclaim-create:2||1 */ [[Property:P1343]]: [[Q141203067]]"
  2. 5w ago · AddyLockPool · 2026-08-28 view diff on Wikidata ↗
    Image → —
    Jstor topic id (archived) → obtuse-angles
    Different from → straight angle, turn, acute angle +1
    Elhuyar zth id → 032528
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1343]]: [[Q140169500]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.