{"type":"rich","version":"1.0","title":"**CHƯƠNG I: TỨ GIÁC**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YasQcpsSzp3h54bt/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/61ab10729b12ce9de1e786ed\" frameborder=\"0\" allowfullscreen></iframe>"}