In a word processing document or on a separate plece of paper, use the guide to construct a two column proof proving that lines land mare parallel. Angles 1 and 2 are supplementary by definition. Upload the entire proof below.
Glven:
21 and 22 are supplementary angles
Prove:
Illm
STATEMENT
REASON
1.21 and 22 are supplementary angles 1. Given
2. mz1+ m_2-180
2.
3.21 and 23 are supplementary angles 3. Exterior sides in opposite rays
4
4
5. m_1.m_2-m_1-m23
5.
6
6
7
7. / m