Question

find the measure of angle 1.

Explanation:

Step1: Identify vertical - angle relationship

Angle 1 and the angle that is vertically opposite to the 64 - degree angle are equal. Vertical angles are congruent.

Step2: Determine angle 1 measure

The angle vertically opposite to the 64 - degree angle has the same measure as angle 1. So, angle 1 = 64°.

Answer:

64°