Respuesta :

Answer:

Angles 4, 5 and 8 are all congruent to angle 1.

Step-by-step 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.