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Robbins pentagon

cyclic pentagon whose side lengths and area are all rational numbers
Thing general Q2852551
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Robbins pentagon

Summary

Robbins pentagon has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • David P. Robbins is named after Robbins pentagon[2].
  • Robbins pentagon's subclass of is recorded as pentagon[3].
  • Robbins pentagon's subclass of is recorded as cyclic polygon[4].
  • Robbins pentagon's Freebase ID is recorded as /m/027t0bl[5].

Why It Matters

Robbins pentagon has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[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.
  4. [5] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. 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). Robbins pentagon. Retrieved April 10, 2026, from https://4ort.xyz/entity/robbins-pentagon
MLA “Robbins pentagon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/robbins-pentagon.
BibTeX @misc{4ortxyz_robbins-pentagon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Robbins pentagon}}, year = {2026}, url = {https://4ort.xyz/entity/robbins-pentagon}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Robbins pentagon — https://4ort.xyz/entity/robbins-pentagon (retrieved 2026-04-10)

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