Question

Angle 3 is equal to angle ____

Answer 1

5

Explanation:

they are across from eachother

Answer 2

Alternate interior angles are congruent. So, angle 3 = angle 7.

We see that vertical angles are congruent. So, angle 3 also = angle 5.

Alternate exterior angles are congruent.

So, angle 3 also = angle 1.