Answer:
I think it's diagonal....
I can guarantee that’s it’s A or D. And my gut is telling me D
"one tenth" as a decimal is 0.1 .
As they are vertical angles, their magnitude will be equal.
8x+8 = 2x+38
8x-2x = 38-8
6x = 30
x = 5
So, Your Final Answer would be 5
Hope this helps!