Match the following reasons with the statements given to create the proof.
1.
SAS
2. DOC = AOB
If alternate interior angles =, then lines parallel.
3. Triangle COD congruent to Triangle AOB
Vertical angles are equal.
4. 1 = 2,
Given
5.
CPCTE
6. ABCD is a parallelogram
If two sides = and ||, then a parallelogram.