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congruence

when two figures or objects in geometry have the same shape and size, or if one has the same shape and size as the mirror image of the other
Thing general Q154210
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congruence

Summary

congruence ranks in the top 2% of general entities by monthly Wikipedia readership (1,233 views/month).[1]

Key Facts

  • congruence is a type of relation[2].
  • congruence is a type of concept[3].
  • congruence's Commons category is recorded as Congruence[4].
  • congruence's Unicode character is recorded as ≅[5].
  • congruence's notation is recorded as ≅[6].
  • congruence's described by source is recorded as ISO 80000-2:2019 Quantities and units — Part 2: Mathematics[7].
  • congruence's described by source is recorded as Encyclopædia Britannica 11th edition[8].
  • congruence's described by source is recorded as Great Soviet Encyclopedia (1926–1947)[9].
  • congruence's studied by is recorded as geometry[10].
  • congruence's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[11].
  • congruence's maintained by WikiProject is recorded as WikiProject Mathematics[12].

Body

Definition and Type

Recorded subclass of include relation[2] and concept[3].

Why It Matters

congruence ranks in the top 2% of general entities by monthly Wikipedia readership (1,233 views/month).[1] congruence has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[13] congruence is known by 41 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). congruence. Retrieved April 10, 2026, from https://4ort.xyz/entity/congruence
MLA “congruence.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/congruence.
BibTeX @misc{4ortxyz_congruence_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{congruence}}, year = {2026}, url = {https://4ort.xyz/entity/congruence}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): congruence — https://4ort.xyz/entity/congruence (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/congruence · 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. 11d ago · A876 · 2026-08-17 view diff on Wikidata ↗
    Described by source → ISO 80000-2:2019 Quantities and units — Part 2: Mathematics, Encyclopædia Britannica 11th edition, Great Soviet Encyclopedia (1926–1947)
    Subclass of → —
    Studied by → geometry
    Maintained by wikiproject → WikiProject Mathematics
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P13591]]: concept/f7e92d8e-ad2c-449c-9226-9baf53a895ab"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.