Triangles A C B and M Q R are shown. Sides A B and M R are congruent. Angles C A B and M R Q are 42 degrees. Angle C B A is 53 degrees. Angle M Q R is 85 degrees. Are the triangles congruent? Why or why not? Yes, all the angles of each of the triangles are acute. Yes, they are congruent by either ASA or AAS. No, AngleB is not congruent to AngleQ. No, the congruent sides do not correspond.