Refer to the figure below, which of the following angle pairs is vertical angles?
A. ∠1 and ∠5
B. ∠3 and ∠6
C. ∠5 and ∠8
D. ∠7 and ∠8
![Refer To The Figure Below Which Of The Following Angle Pairs Is Vertical Angles A 1 And 5 B 3 And 6 C 5 And 8 D 7 And 8 class=](https://ph-static.z-dn.net/files/dcf/75ec8cbdf5a5af61dcfe5c945a7d9a13.png)