Трапеция ABCD{"color":"#202335","fontFamily":"stix","language":"ru"} с основаниями AD{"color":"#202335","fontFamily":"stix","language":"ru"} и BC{"color":"#202335","fontFamily":"stix","language":"ru"} описана около окружности, AB=15,{"color":"#202335","fontFamily":"stix","language":"ru"} BC=20,{"color":"#202335","fontFamily":"stix","language":"ru"} CD=17.{"color":"#202335","fontFamily":"stix","language":"ru"} Найдите AD.{"color":"#202335","fontFamily":"stix","language":"ru"}
