{"version":"1.0","type":"video","provider_name":"Puzzicle","provider_url":"https://puzzicle.org","title":"Arc length of polar curves","width":800,"height":560,"thumbnail_url":"https://puzzicle.org/thumbs/x307ed42c.jpg","thumbnail_width":320,"thumbnail_height":180,"html":"<iframe src=\"https://puzzicle.org/embed/math/integral-calculus/v/polar-arc-length-formula\" width=\"800\" height=\"560\" style=\"border:0;max-width:100%\" allow=\"fullscreen; autoplay\" title=\"Arc length of polar curves\"></iframe>"}