{"type":"rich","version":"1.0","title":"∠ EAP = β = 52.5° = 105° / 2","html":"<iframe src=\"https://www.desmos.com/calculator/jqcbdipo9h?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}