{"type":"rich","version":"1.0","title":"A line ℓ passes through the point (3,4) and is perpendicular to the line y=x/2+6","html":"<iframe src=\"https://www.desmos.com/calculator/9zrrrwhkxn?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}