Which of the following reasons will complete the proof?
SAS
ASA
SSS

Answer:
The answer is ASA
Step-by-step explanation:
In order to determine the correct reason, we have to know which angles and sides are the same.
According to the attached image:
Therefore, if ∠2=∠4; AD=BC; ∠1=∠3, the proof that the triangles are congruent is ASA.