{
  "api_version": "v1",
  "publisher": {
    "name": "Manazoo",
    "url": "https://manazoo.com/"
  },
  "license": "All rights reserved（AI の参照・要約と出典リンクつきの引用は可。転載・再配布・販売は不可）",
  "terms_url": "https://manazoo.com/terms/",
  "disclaimer": "内容の正確さには気をつけていますが、すべてが正しいとは限りません。テストや受験の前には、教科書や先生の説明でも確かめてください。間違いを見つけたら意見箱から知らせてください。",
  "attribution": "事実データの一部は Wikidata（CC0）による。単元の構成は文部科学省「中学校学習指導要領」「高等学校学習指導要領」（政府標準利用規約2.0）。",
  "kind": "unit",
  "slug": "angles-of-triangles-and-polygons",
  "title": "図形の角",
  "lead": "三角形の3つの角の大きさの和が180°になることを、角を切り取って集めたり、しきつめたりして確かめ、四角形・多角形の角の大きさの和や、角を計算で求める力につなげる単元。",
  "period": null,
  "canonical_url": "https://manazoo.com/elementary/elementary-math/angles-of-triangles-and-polygons/",
  "quiz_url": "https://manazoo.com/elementary/elementary-math/angles-of-triangles-and-polygons/quiz/",
  "api_url": "https://manazoo.com/api/v1/units/angles-of-triangles-and-polygons.json",
  "course": {
    "slug": "elementary-math",
    "title": "小学算数",
    "url": "https://manazoo.com/elementary/elementary-math/"
  },
  "entities": [
    {
      "slug": "triangle-angle-sum",
      "name": "三角形の角の大きさの和",
      "entity_kind": "concept",
      "wikidata_qid": null,
      "url": "https://manazoo.com/math/triangle-angle-sum/",
      "api_url": "https://manazoo.com/api/v1/entities/triangle-angle-sum.json"
    },
    {
      "slug": "triangle-angle-calculation",
      "name": "三角形の角の計算",
      "entity_kind": "concept",
      "wikidata_qid": null,
      "url": "https://manazoo.com/math/triangle-angle-calculation/",
      "api_url": "https://manazoo.com/api/v1/entities/triangle-angle-calculation.json"
    },
    {
      "slug": "quadrilateral-angle-sum",
      "name": "四角形の角の大きさの和",
      "entity_kind": "concept",
      "wikidata_qid": null,
      "url": "https://manazoo.com/math/quadrilateral-angle-sum/",
      "api_url": "https://manazoo.com/api/v1/entities/quadrilateral-angle-sum.json"
    },
    {
      "slug": "quadrilateral-angle-calculation",
      "name": "四角形の角の計算",
      "entity_kind": "concept",
      "wikidata_qid": null,
      "url": "https://manazoo.com/math/quadrilateral-angle-calculation/",
      "api_url": "https://manazoo.com/api/v1/entities/quadrilateral-angle-calculation.json"
    },
    {
      "slug": "polygon-angle-sum-by-triangles",
      "name": "多角形の角の大きさの和",
      "entity_kind": "concept",
      "wikidata_qid": null,
      "url": "https://manazoo.com/math/polygon-angle-sum-by-triangles/",
      "api_url": "https://manazoo.com/api/v1/entities/polygon-angle-sum-by-triangles.json"
    },
    {
      "slug": "tessellation-and-angles",
      "name": "しきつめと角",
      "entity_kind": "concept",
      "wikidata_qid": null,
      "url": "https://manazoo.com/math/tessellation-and-angles/",
      "api_url": "https://manazoo.com/api/v1/entities/tessellation-and-angles.json"
    }
  ],
  "question_count": 24,
  "status": "published",
  "placeholder": false
}