Четырехугольник ABCD{"color":"#202335","fontFamily":"stix","language":"ru"} описан около окружности AB=11,{"color":"#202335","fontFamily":"stix","language":"ru"} BC=13,{"color":"#202335","fontFamily":"stix","language":"ru"} CD=12.{"color":"#202335","fontFamily":"stix","language":"ru"} Найдите AD.{"color":"#202335","fontFamily":"stix","language":"ru"}
