Question

How do I do this? I don’t understand

Answer 1

Answer:

Step-by-step explanation:

1. Statement: AB=CD; BC=AD

   Reason: Given

2. Statement: BD=BD

   Reason: reflexive property

3. Statement: triangleCBD= triangle ADB

   Reason: angles are congruent to each other

4. Statement:∠ADB=∠CBD; ∠ABD=∠BDC

   Reason: the corresponding parts of congruent angles are ≡

5. Statement: AB||CD; BC||AD

   Reason: If alternate interior angles are congruent then lines are parallel