{"type":"rich","version":"1.0","description":"Players solve standalone multiple-choice questions about lines, angles, and perpendicular bisectors using theorem-based reasoning in text-only or coordinate-style formats. The learning goal is to identify which theorem applies and determine the correct conclusion from precise geometric information. (HSG.CO.C.9)","title":"Lines, Angles, and Theorems","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/kGpzw0EkKv\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1780595745463&hashid=kGpzw0EkKv&key=social-preview-image-v4","provider_url":"https://arcade.padlet.com"}