Answer:
See explanations below
Step-by-step explanation:
2) Definition of midpoint
4) Transitive property using the values found in step 3: ADB = 90 = ADC
5) In the angles have the same measure, then they are congruent
6) Reflexive (or identity) property "segment is congruent to itself"
7) Uses SAS to prove the congruency (side AD, angle ADB, and side BD)
