На гипотенузу CB{"color":"#202335","fontFamily":"stix","language":"ru"} прямоугольного треугольника ABC{"color":"#202335","fontFamily":"stix","language":"ru"} опущена высота AH{"color":"#202335","fontFamily":"stix","language":"ru"}, BH=4{"color":"#202335","fontFamily":"stix","language":"ru"}, CH=12{"color":"#202335","fontFamily":"stix","language":"ru"}. Найдите AB{"color":"#202335","fontFamily":"stix","language":"ru"}.