In a word processing document or on a separate piece 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.
Given:
<1 and _2 are supplementary angles
Prove:
Ill m
1
3
1
2
71
STATEMENT
REASON
1. Given
1.21 and 22 are supplementary angles
12. 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./11 m
7.