Will give brainless if you answer now 1. Reason # 4 angle D same as angle B

Reason # 6 angle ACD same as angle ECB

Reason #5 angle ACD same as angle ECB

Reason #2 CD same as CB

Answer choices: definition of Bisect , SAS, Alternative interior angles are congruent, ASA , alternative exterior angles are congruent, vertical angles are congruent, AAS , SSS and definition of perpendicular lines