HELP 100 points Complete the reasons for the proof. Given:
m 3 = m 4

Prove:
1, 2 are supplementary

STATEMENT REASON
1. m 3 = m 4 1.
2. 2, 3 are supplementary 2.
sides in
rays
3. m 2 + m 3 = 180º 3. Definition of
angles
4. m 2 + m 4 = 180º 4. Substitution
5. m 1 = m 4 5. Opposite
are
6. m 2 + m 1 = 180º 6.
7. 1,2 are supplementary 7. Definition of
angles