{"type":"rich","version":"1.0","title":"**Tứ giác**  ","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YY8eo3bkNx6pOhK2/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/618f1ea376e4371ea93a12b6\" frameborder=\"0\" allowfullscreen></iframe>"}