В треугольнике АВС{"color":"#202335","fontFamily":"stix","language":"ru"} углы А{"color":"#202335","fontFamily":"stix","language":"ru"} и С{"color":"#202335","fontFamily":"stix","language":"ru"} равны 20°{"color":"#202335","fontFamily":"stix","language":"ru"} и 60°{"color":"#202335","fontFamily":"stix","language":"ru"} соответственно. Найдите угол между высотой ВН{"color":"#202335","fontFamily":"stix","language":"ru"} и биссектрисой BD{"color":"#202335","fontFamily":"stix","language":"ru"}.
