Известно, что в треугольнике ABC{"color":"#202335","fontFamily":"stix","language":"ru"} AB=BC=13,{"color":"#202335","fontFamily":"stix","language":"ru"} AC=10.{"color":"#202335","fontFamily":"stix","language":"ru"} Найдите длину медианы BM.{"color":"#202335","fontFamily":"stix","language":"ru"}
