In the diagram, how many pairs of vertical angles are shown?
![In the diagram how many pairs of vertical angles are shown class=](https://us-static.z-dn.net/files/dcc/3e7c6262aa6eacfaef16c4af2a56d762.jpg)
Answer:
4 Pairs.
Explanation:
A vertical angle is a set of two opposite angles, they show up when two lines intersect. Their sum is also 180°.