Q. Side QR of triangle PQR is produced to a point S as shown in the figure. The bisector of P meets QR at T. Prove that PQR + PRS = 2 PTR

Dear student
In PQR,PRS=PQR+QPR   [By exterior angle sum property]    ....(1)Also,In PTR,PRS=PTR+TPR   [By exterior angle sum property]    ...(2)PRS=PTR+TPQ    TPR=TPQ
Please recheck your questions.There seems to be some mistake in the proving part.

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