{
  "aliases": null,
  "backlinks": [
    {
      "field": "uses",
      "target": "01PNAVFMYZ"
    },
    {
      "field": "uses",
      "target": "056VS31A0J"
    },
    {
      "field": "uses",
      "target": "05MDKQBEAF"
    },
    {
      "field": "uses",
      "target": "060ZVZBV3E"
    },
    {
      "field": "uses",
      "target": "065JWMZW86"
    },
    {
      "field": "uses",
      "target": "07NSKDGS7S"
    },
    {
      "field": "uses",
      "target": "0859R2V6ES"
    },
    {
      "field": "uses",
      "target": "0FRBZ2X4HJ"
    },
    {
      "field": "uses",
      "target": "0J768YF1ZE"
    },
    {
      "field": "uses",
      "target": "0KN93VDSXA"
    },
    {
      "field": "uses",
      "target": "0NTSE7EREA"
    },
    {
      "field": "uses",
      "target": "0PASQ34GHG"
    },
    {
      "field": "uses",
      "target": "0QMYQ1X03H"
    },
    {
      "field": "uses",
      "target": "0TP2QKJ8DE"
    },
    {
      "field": "uses",
      "target": "0TWPTQ0AD7"
    },
    {
      "field": "uses",
      "target": "0VP3A1290K"
    },
    {
      "field": "uses",
      "target": "0X3TEM69AA"
    },
    {
      "field": "uses",
      "target": "0X89GC65N1"
    },
    {
      "field": "uses",
      "target": "0ZET0ZH16W"
    },
    {
      "field": "defines",
      "target": "0JDB8YJBSR"
    }
  ],
  "body": "\n## Summary\n\nA triangle is a polygon with three vertices and three sides. Its three vertices are points that do not lie on one line, and its sides are the segments that join them in pairs.\n",
  "commit": "f591989ed15704e9d8755a7a5a6426d73de7a3ae",
  "front": {
    "kind": "concept",
    "msc": [
      "51M04"
    ],
    "name": "Triangle",
    "same_as": {
      "wikidata": "Q19821",
      "wikipedia": "Triangle"
    },
    "sources": [
      {
        "locator": "lead section",
        "url": "https://en.wikipedia.org/wiki/Triangle"
      }
    ],
    "tag": "0CTNFGYMM2"
  },
  "kind": "concept",
  "link": "https://math2.tamnd.com/node/0CTNFGYMM2/",
  "links": null,
  "markdown": "https://math2.tamnd.com/node/0CTNFGYMM2.md",
  "msc": [
    "51M04"
  ],
  "name": "Triangle",
  "prov": null,
  "role": "",
  "source": "https://github.com/tamnd/math2/blob/main/nodes/0CT/0CTNFGYMM2.md",
  "status": null,
  "tag": "0CTNFGYMM2",
  "uri": "m2://0CTNFGYMM2",
  "url": "https://math2.tamnd.com/wiki/triangle/",
  "writing": {
    "tag": "0CTNFGYMM2",
    "kind": "concept",
    "level": "W1",
    "next": [
      {
        "what": "edge instance_of in",
        "note": "at least two examples",
        "have": 0,
        "want": 2
      },
      {
        "what": "edge not_instance_of in",
        "note": "at least one non-example",
        "have": 0,
        "want": 1
      },
      {
        "what": "edge specializes both",
        "note": "the more general notions and the special cases",
        "have": 0,
        "want": 1
      }
    ]
  }
}
