Question

Note: 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?

(2 points)

Answer 1

[AI-generated answer — Bot GPT 3.5]

To prove the triangles congruent by SAS (Side-Angle-Side), we must know that there is another congruent side and angle in the triangles. Specifically, we need to know that side AC is congruent to itself (Reflexive Property of Congruence) and that angle CAB is congruent to angle DCA.