lolSide QR of Triangle PQR is produced to a point S as shown in the figure. The bisector of angke meets QR at T. Prove that angle PQR +anglePRS=2anglePTR
lolSide QR of Triangle PQR is produced to a point S as shown in the figure. The bisector of angke meets QR at T. Prove that angle PQR +anglePRS=2anglePTR