In triangle QRT and triangle RTS , we have; 1.QR =SR (given) 2.RT bisects QS at T ( given ) 3.T is the midpoint of QS (since RT is the bisector of QS i.e. QT=TS) 4.QT=TS (mid Point theorem) 5.TR=TR (common side) 6.triangle QRT congruent to triangle RTS (SAS criterion rule) Hope this helps u....!!!
