If triangle ABC congruent Triangle PQR and angle A= 100degree , angle B= 50degree find angle R

If triangle ABC congruent Triangle PQR and angle A= 100degree , angle

1.	If triangle ABC congruent Triangle PQR and angle A= 100degree , angle B= 50degree find angle R
Answer» 30digre Triangle ABC conguent to triangle PQR then angle A equal to angle P and angle B equal to angle Q and angle C equal to angle R.Angle (P+Q+R=180degree)180_(100+50)=180_150=30