AB and CD are parallel
That makes the two angles alternate interior angles. See what you can do with that.
Enter your answer and show all the steps that you use to solve this problem in the space provided.
Quadrilateral A B C D is shown with a diagonal segment from A to C. Angle D A C is marked with 1 arc. Angle A C B is marked with 1 arc.
What else must you know to prove the triangles congruent by SAS?
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