Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

This is the answer yeah I not sure but I saw it somewhere
9514 1404 393
Answer:
CPCTC
Step-by-step explanation:
The applicable reason for statement 4 is "Corresponding Parts of Congruent Triangles are Congruent (CPCTC)".
The reason shown in your problem statement is applicable only within one triangle. The segments of interest are in two different triangles.