{"type":"rich","version":"1.0","title":"Triangle Angle Sum Proof","description":"Players place steps in order to build an informal argument, such as showing why the angles in a triangle sum to 180° or why an exterior angle equals the sum of two remote interior angles. Sequencing the logic helps students understand how geometric reasoning is structured. (8.G.A.5)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1775100983477&hashid=9Ljk4dEzpO","html":"<iframe src=\"https://arcade.padlet.com/embed/9Ljk4dEzpO\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}