Question

If the lines a and b in the diagram below are parallel why do angles 1 nd 8 measure 120 degree angles

A) Because they are alternate interior angles.
B) Because they are corresponding angles.
C) Because they are alternate exterior angles.
D) Because they are same-side interior angles.

Answer 1

The pairs of angles on opposite sides of the transversal but outside the two lines are called alternate exterior angles.

C) Because they are alternate exterior angles.