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perimeter

arc length of the path that surrounds an area
Class type of: arc length, geometric property Q28474

Facts

10 properties
Subclass of
arc length, geometric property
Defining formula
l:=\sum_{k=1}^{n} a_k
Described by source
New International Encyclopedia[3]
Different from
boundary[5]
ISQ dimension
\mathsf{L}
In defining formula
l, a_k
Main Wikidata property
P2547[4]
Maintained by WikiProject
WikiProject Mathematics[6]
P14870
ont00001293[7]
P14884
0001711[8]
🏷️ Also known as
en perimeter en length of perimeter en circumference en perimeter length ar دائره محيطيه ar دائرة محيطية ar محيط cs obvod da perimeter da periferi da omkreds de Umfang el περίμετρος es contorno es formula de perimetro es fórmula de perímetro es perimetral es perimetro es perímetro fa پیرامون خم بسته
🔖 Identifiers · 27
GND ID
7583293-8
OpenAlex ID
C98503990
Australian Educational Vocabulary ID
scot/7482
De Agostini ID
perìmetro
Encyclopedia of Mathematics article ID
Perimeter
Freebase ID
/m/05wws
Gran Enciclopèdia Catalana ID
perimetre-0
Gran Enciclopèdia Catalana ID (former scheme)
0200566
Great Norwegian Encyclopedia ID
periferi_-_matematikk
Great Russian Encyclopedia Online ID (2017)
2331344
Great Russian Encyclopedia portal ID
perimetr-310f5a
KBpedia ID
ClosedLinearObject
Show all 27 identifiers +15
Lex ID
omkreds
MathWorld ID
Perimeter
Microsoft Academic ID (discontinued)
98503990
NE.se ID
omkrets
National Historical Museums of Sweden ID
term/095A7039-30BE-49D5-B077-0C9644BCF4BE
Open Library subject ID
perimeters_(geometry)
Quora topic ID
Perimeter
Store medisinske leksikon ID
perimetri
Treccani ID
perimetro
Treccani's Dizionario delle Scienze Fisiche ID
perimetro
Treccani's Enciclopedia Italiana ID
perimetro
Vikidia article ID
eu:Perimetro, fr:Périmètre
WikiKids ID
Omtrek
Wolfram Language quantity ID
Perimeter
WordNet 3.1 Synset ID
13894091-n

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

🔗 Connections
← Has characteristic 12
triangle, square, ellipse, equilateral triangle, disk, circular sector, regular polygon, Reuleaux triangle +4 more
Subtypes 3
circumference, wetted perimeter, bustline
Belongs to 1
rectangle
Described by source 1
New International Encyclopedia
Different from 1
boundary
Maintained by WikiProject 1
WikiProject Mathematics
Subclass of 1
arc length
← Different from 1
boundary
Press Enter · cited answer in seconds

Summary

perimeter is a type of arc length[1] and geometric property[2].

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . 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). perimeter. Retrieved November 2, 2026, from https://4ort.xyz/entity/perimeter
MLA “perimeter.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/perimeter.
BibTeX @misc{4ortxyz_perimeter_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{perimeter}}, year = {2026}, url = {https://4ort.xyz/entity/perimeter}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): perimeter — https://4ort.xyz/entity/perimeter (retrieved 2026-11-02)

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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. 6w ago · عُثمان · 2026-09-18 view diff on Wikidata ↗
    P14884 → 0001711
    Equivalent class → —
    "/* wbsetclaim-create:2||1 */ P14884: 0001711"
  2. 8w ago · Mahir256 · 2026-09-09 view diff on Wikidata ↗
    P14870 → ont00001293
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/53024|batch #53024]]"
  3. 8w ago · عُثمان · 2026-09-07 view diff on Wikidata ↗
    In defining formula → l, a_k
    Equivalent class → —
    "/* wbsetclaim-create:2||1 */ Equivalent class: https://www.commoncoreontologies.org/ont00001293"
  4. 18w ago · Infovarius · 2026-06-28 view diff on Wikidata ↗
    ISQ dimension → \mathsf{L}
    In defining formula → l, a_k
    Defining formula → l:=\sum_{k=1}^{n} a_k
    "/* wbsetclaim-create:2||1 */ In defining formula: l"
  5. 18w ago · GolDreamer · 2026-06-25 view diff on Wikidata ↗
    Aliases → —
    Subclass of → arc length, geometric property
    Described by source → New International Encyclopedia
    Main Wikidata property → P2547
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ ISQ dimension: l"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.