Home › Entities › Theorem › Petersen–Morley theorem

Petersen–Morley theorem

Geometric construction regarding 3 skew lines in space
Intangible Theorem Q21755500

Facts

3 properties
Instance of
theorem
Maintained by WikiProject
WikiProject Mathematics[4]
Named after
Frank Morley, Johannes Hjelmslev[2][3]
🏷️ Also known as
en Petersen–Morley theorem tr Petersen-Morley teoremi
🔖 Identifiers · 1
Google Knowledge Graph ID
/g/11bwc7g253

Report an error or request removal Lineage (PROV-JSON)

Press Enter · cited answer in seconds

Summary

Petersen–Morley theorem is a theorem[1].

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.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Petersen–Morley theorem. Retrieved November 10, 2026, from https://4ort.xyz/entity/petersen-morley-theorem
MLA “Petersen–Morley theorem.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/petersen-morley-theorem.
BibTeX @misc{4ortxyz_petersen-morley-theorem_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Petersen–Morley theorem}}, year = {2026}, url = {https://4ort.xyz/entity/petersen-morley-theorem}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Petersen–Morley theorem — https://4ort.xyz/entity/petersen-morley-theorem (retrieved 2026-11-10)

Canonical URL: https://4ort.xyz/entity/petersen-morley-theorem · Last refreshed: