Question

(39) please check my answer

and dont just say it is correct if you have no clue how to solve this type of problem, thanks

Answer 1

You're close but its not SAS. Instead you use ASA. So the answer is choice C

The first A of ASA deals with line 1 of the proof
The S in ASA deals with line 2 of the proof
The second A of ASA deals with line 3 of the proof