Answer:
Angles 4, 5 and 8 are all congruent to angle 1.
Explanation:
There are two theorems to know for this problem.
- Vertical Angles Theorem
- Corresponding angles theorem
1 and 4 are vertical angles, meaning they are congruent.
4 and 8, 1 and 5
are pairs of corresponding angles.
These are congruent as well.