В треугольнике ABC{"color":"#202335","fontFamily":"stix","language":"ru"} угол C{"color":"#202335","fontFamily":"stix","language":"ru"} равен 90°,{"color":"#202335","fontFamily":"stix","language":"ru"} BC=3,{"color":"#202335","fontFamily":"stix","language":"ru"} cosA=255.{"color":"#202335","fontFamily":"stix","language":"ru"} Найдите AC.{"color":"#202335","fontFamily":"stix","language":"ru"}
