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Verified answer
Answer:
by ASA congriency
Step-by-step explanation:
first draw figre and name the angels as 1,2,3,4.
as QT is the bisector of angel PQR.
∠PQT=∠TQR
As RT is the bisector of ∠PRS.
∠PRT=∠TRS.
QR=QR (common side)
by ASA congrency Δ PQR≅ΔTQR.
∴∠QTR= 1/2 ∠PQR.