{"type":"rich","version":"1.0","title":"BP = 2R + AP = 2 * 4 + 1 = 9","html":"<iframe src=\"https://www.desmos.com/calculator/dnx3fmdbc5?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}