Question

based on the diagram below, which statement could be used to prove ∠1≅∠2? complementary angles are congruent. supplementary angles are congruent. vertical angles are congruent. two angles that form a linear pair are congruent.

Explanation:

Angles 1 and 2 are vertical angles. By the vertical - angles theorem, vertical angles are congruent.

Answer:

Vertical angles are congruent.