Step-by-step explanation:
Supplementary angles are either of two angles whose sum is 180°.
Those are:
<1 and <2
<3 and <4
<5 and <6
<7 and < 8...
Vertical angles are each of the pairs of opposite angles made by two intersecting lines.
Those are:
<1 and <6
<2 and <5
<7 and <4
<3 and <8
