The answer should be c hope this helps
Answer:
180 Vertical angles are opposite angles that share only a vertex. Since ∠3 is adjacent to both ∠1 and ∠2, this means that ∠3 shares a side and vertex with both of these angles.
This means that ∠3 and ∠1 form a straight line; this makes them a linear pair, which makes their sum 180°.
B would be your best answer looking at the graphic chart
D
The first place after the decimal represents the tenths place, the second place represents the 100ths place and so on.
