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Spieker center

center of mass of a triangle’s perimeter
Class type of: barycenter Q7577104

Facts

6 properties
Instance of
triangle center, incenter, center[3][4]
Subclass of
barycenter
Part of
Kiepert hyperbola, Spieker circle[6][7]
Defining formula
b+c:a+c:a+b, bc(b+c):ac(a+c):ab(a+b)
Maintained by WikiProject
WikiProject Mathematics[8]
Named after
Theodor Spieker[5]
🏷️ Also known as
en Spieker center en Точка Шпікера ar مركز سبايكر de Spieker-Punkt el κέντρο Spieker es Punto de Spieker fi Spiekerin piste it Punto di Spieker it Centro di Spieker it Punto di Poinsot ja シュピーカー点 ko 슈피커 중심 nl Punt van Spieker ru точка Шпикера ru центр масс периметра треугольника ru центр Шпикера uk центр Шпікера vi Điểm Spieker
🔖 Identifiers · 5
Image (Wikimedia Commons)
Spieker punkt.svg ↗
Encyclopedia of Triangle Centers ID
X(10)
Freebase ID
/m/0jt20qq
MathWorld ID
SpiekerCenter
Treccani's Enciclopedia della Matematica ID
punto-di-poinsot

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

🔗 Connections
Instance of 3
center, triangle center, incenter
Part of 2
Kiepert hyperbola, Spieker circle
Belongs to 1
Spieker circle
Maintained by WikiProject 1
WikiProject Mathematics
Named after 1
Theodor Spieker
Subclass of 1
barycenter
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Summary

Spieker center is a triangle center[1]. It is a type of barycenter[2].

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [2] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . 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). Spieker center. Retrieved November 7, 2026, from https://4ort.xyz/entity/spieker-center
MLA “Spieker center.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/spieker-center.
BibTeX @misc{4ortxyz_spieker-center_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Spieker center}}, year = {2026}, url = {https://4ort.xyz/entity/spieker-center}, note = {Accessed: 2026-11-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Spieker center — https://4ort.xyz/entity/spieker-center (retrieved 2026-11-07)

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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. 7d ago · NikosLikomitros · 2026-11-01 view diff on Wikidata ↗
    Part of → —
    Subclass of → —
    Maintained by WikiProject → WikiProject Mathematics
    Instance of → —
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetlabel-set:1|el */ κέντρο Σπίκερ"
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