Step 1
Draw parallel lines cross by a transversal.
1.
<8 and <4 Alternate Exterior Angles
2.
<2 and <5 Supplementary Angles
3.
<2 and <6 Alternate Interior Angles
4.
<1 and <2 Supplementary Angles
5.
<7 and <5 Corresponding Angles
6.
<6 and <8 Vertical Angles