6 points
Question at position 2
Given:
and
are supplementary
Prove:
Complete the proof. Number your reasons in the textbox below.
Proof:
1. Given: and are supplementary
2. (given)
3. (given)
4. (Linear pair postulate)
5. (Substitution property of equality)
6. (definition of congruent angles)
Therefore, and are congruent.