which angle is congruent to ∠3?

which angle is congruent to ∠3?
Answer
Explanation:
Step1: Recall vertical - angle property
Vertical angles are congruent.
Step2: Identify vertical angle of ∠3
∠3 and ∠1 are vertical angles.
Answer:
∠1

which angle is congruent to ∠3?
Vertical angles are congruent.
∠3 and ∠1 are vertical angles.
∠1