Question

Which angles are congruent to <5

Answer 1

1, 3, 7 (<5 is also congruent to <5, but this is not a choice.)

Explanation:

The angles congruent to <5 are:

<1 by corresponding angles.

<3 by alternate interior angles.

<7 by vertical angles.

<5 by the theorem: congruence of angles is reflexive.