December 30, 2021 Report Open Access

Douglas, Ian

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  "inLanguage": {
    "alternateName": "eng", 
    "@type": "Language", 
    "name": "English"
  }, 
  "description": "<p>&nbsp;</p>\n\n<p class=\"western\"><em>The Douglas triangle is a special right triangle using &phi; and &radic;3. It appears that its proportions and peculiarities impressed the Giza planners so much that they used it, when scaled by 50&pi;, for the base lengths of the Khufu and Khafre pyramids. This paper presents the triangle and discusses some of its interesting features.</em></p>\n\n<p>\np { margin-bottom: 0.25cm; line-height: 115%; orphans: 0; widows: 0; background: transparent; page-break-before: auto }p.western { font-family: \"Libertinus Math\"; font-size: 12pt; font-weight: normal }a:visited { color: #800000; so-language: zxx; text-decoration: underline }a:link { color: #000080; so-language: zxx; text-decoration: underline }\n\n</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "@type": "Person", 
      "name": "Douglas, Ian"
    }
  ], 
  "headline": "The Douglas Triangle, Khufu and Khafre", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2021-12-30", 
  "url": "https://zenodo.org/record/5810431", 
  "version": "1.0.0", 
  "keywords": [
    "Egyptology", 
    "Giza", 
    "geometry", 
    "archaeogeometry", 
    "golden ratio", 
    "history of mathematics"
  ], 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.5810431", 
  "@id": "https://doi.org/10.5281/zenodo.5810431", 
  "@type": "ScholarlyArticle", 
  "name": "The Douglas Triangle, Khufu and Khafre"
}