Точка T{"color":"#202335","fontFamily":"stix","language":"ru"} - середина боковой стороны CD{"color":"#202335","fontFamily":"stix","language":"ru"} трапеции ABCD,{"color":"#202335","fontFamily":"stix","language":"ru"} а AT{"color":"#202335","fontFamily":"stix","language":"ru"} - биссектриса угла BAD.{"color":"#202335","fontFamily":"stix","language":"ru"} Докажите, что AB=BC+AD.{"color":"#202335","fontFamily":"stix","language":"ru"}
