{"type":"rich","version":"1.0","title":"Geometric Formula Arguments","description":"Students match geometric formulas for circumference, area, and volume to informal arguments explaining their derivation, such as rearranging circle sectors or comparing a cone to a cylinder with the same base and height. The activity connects each formula to its underlying reasoning, aligning with educational standard HSG.GMD.A.1.","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1774592079473&hashid=6gjDq7L6pD","html":"<iframe src=\"https://arcade.padlet.com/embed/6gjDq7L6pD\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}