Question

which is enough information to prove that s||t? ∠1≅∠3 ∠2≅∠8 ∠5+∠6 = 180° ∠1+∠4 = 180°

Explanation:

Step1: Recall parallel - line postulates

If alternate exterior angles are congruent, lines are parallel. ∠2 and ∠8 are alternate exterior angles.

Answer:

B. ∠2≅∠8