{
 "id": "media/tusi-linear-geometry-context",
 "class": "media",
 "slug": "tusi-linear-geometry-context",
 "label": {
  "ar": "مثلث تعليمي — سياق الأوتار والزوايا",
  "en": "Teaching triangle — chord and angle context",
  "ur": "تدریسی مثلث — وتر و زاویہ کا سیاق"
 },
 "summary": {
  "ar": "رسم هندسي حديث، لا عصا الطوسي أو مخطط مخطوط.",
  "en": "Modern geometry drawing,not Tusi's staff or a manuscript plan.",
  "ur": "جدید ہندسی خاکہ،عصائے طوسی یا مخطوطے کا نقشہ نہیں۔"
 },
 "stub": false,
 "wings": [],
 "regions": [],
 "periods": [],
 "tags": [],
 "aliases": [],
 "themes": [],
 "data": {
  "kind": "image",
  "url": "https://upload.wikimedia.org/wikipedia/commons/archive/4/4f/20241205121348%21TrigonometryTriangle.svg",
  "license": "PD",
  "creator": "TheOtherJesse",
  "attribution": "TheOtherJesse,6July2007,TrigonometryTriangle.svg;author-released worldwide public domain. Unmodified archived original,modern geometric context only.",
  "alt": {
   "ar": "مثلث ABC قائم عند C وتسميات إنجليزية لأضلاعه؛ سياق هندسي حديث لا رسم العصا أو تدريجها التاريخي.",
   "en": "TriangleABC right-angled atC with English side labels;modern geometry context,not the historical staff or its graduation.",
   "ur": "مثلثABC،قائمہC،اضلاع کے انگریزی نام؛جدید ہندسی سیاق،تاریخی عصا یا اس کی درجہ بندی نہیں۔"
  },
  "depicts": [
   "invention/tusi-linear-astrolabe"
  ],
  "sources": [
   "source/commons-trigonometry-triangle"
  ],
  "status": {
   "review": "published",
   "completeness": 3,
   "generated_by": "Copilot SDK in VS Code"
  },
  "provenance": {
   "layer": "own-research",
   "generated_by": "Copilot SDK in VS Code",
   "model": "unknown",
   "run": "inventions-p3-b70",
   "source": "Actual Commons rights API reverified and original2007 rendering reinspected;modern context,no reconstruction."
  }
 },
 "prose": {},
 "degree": 0,
 "contemporaries": [],
 "updated": "2026-11-06",
 "connections": [],
 "related": [],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}