Look at the following bellow. Which of the following statements could be stepped in prove that vertical angles are congruent

1. <APC ~ <DPB because angles complementary to the same angle are congruent to each other.

2. <APC ~ <DPB because angles supplementary to the same angle are congruent to each other.

3.<APC ~ <DPB because angles adjacent sent to the same angle are congruent to each other.

4. <APC ~ <DPB because the angles formed by the same pair of intersecting lines are congruent to each other.
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