hinge theorem
type: Thing
alternate name: open mouth theorem
description: geometry theorem relating to triangles
additional property: PropertyValue
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additional property: PropertyValue
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  value: list of theorems
additional property: PropertyValue
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additional property: PropertyValue
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  value: triangle
additional property: PropertyValue
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  value: HingeTheorem
additional property: PropertyValue
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additional property: PropertyValue
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confidence:
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    components:
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      unique citations: 1
      unique citations norm: 0.0
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  yearly pageviews: 152
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claims:
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    value: Q65943
    source count: 0
    confidence: 0.0
    value label: theorem
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    confidence: 0.0
    value label: list of theorems
  P646:
    value: /m/09m8bg
    source count: 1
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  P2384:
    value: Q19821
    source count: 0
    confidence: 0.0
    value label: triangle
  P2812:
    value: HingeTheorem
    source count: 0
    confidence: 0.0
  P6104:
    value: Q8487137
    source count: 0
    confidence: 0.0
    value label: WikiProject Mathematics
  P6366:
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citations:
  source: Freebase Data Dumps
  stated in qid: Q15241312
  pub year: 2013
meta:
  wikidata id: Q2607007
  domain: theorem
  level: standard
  html url: https://4ort.xyz/entity/hinge-theorem
  markdown url: https://4ort.xyz/entity/hinge-theorem.md
  facts url summary: https://4ort.xyz/entity/hinge-theorem/facts.json
  facts url standard: https://4ort.xyz/entity/hinge-theorem/facts.json
  facts url full: https://4ort.xyz/entity/hinge-theorem/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-22T11:07:51.151113Z
  entity updated at: 2026-05-03T22:54:58.348740+00:00Z
  entity created at: 2026-04-10T23:36:22.209519+00:00Z