Sides BC,CA and BA of a triangle ABC are produced to D,Q,P respectively. If angle ACD=100 and angle QAP=35, find all the angles of the triangle. Share with your friends Share 1 Rishabh Mittal answered this ∠QAP=∠BAC=35° Vertically opposite angles∠ACD=∠ABC+∠BAC Exterior angle100°=∠ABC+35°∠ABC=65°∠ABC+∠BAC+∠ACB=180° Angle sum property65°+35°+∠ACB=180°∠ACB=80°. 10 View Full Answer