Answer:
Angle 6
Step-by-step explanation:
The opposite exterior angle to angle 3 is angle 6.
For another example, the opposite exterior to angle 1 is angle 8.
If you were to cut them out and put them over each other, they're congruent. Hope that helped you out :)
<3=<6 forms a pair of alternate
exterior angles with angle 3.
c= (f-d)/ab
I think it's C
