Биссектрисы углов A{"color":"#202335","fontFamily":"stix","language":"ru"} и B{"color":"#202335","fontFamily":"stix","language":"ru"} трапеции ABCD{"color":"#202335","fontFamily":"stix","language":"ru"} пересекаются в точке K,{"color":"#202335","fontFamily":"stix","language":"ru"} лежащей на стороне CD.{"color":"#202335","fontFamily":"stix","language":"ru"} Докажите, что точка K{"color":"#202335","fontFamily":"stix","language":"ru"} равноудалена от прямых AB,{"color":"#202335","fontFamily":"stix","language":"ru"} BC{"color":"#202335","fontFamily":"stix","language":"ru"} и AD.{"color":"#202335","fontFamily":"stix","language":"ru"}
