Question

in the figure, two lines intersect at a point. angle 1 and angle 2 are vertical angles. the measure of angle 1 is 72 degrees. what is the measure of angle 2? note: figure not drawn to scale. 72 108 144 288

Explanation:

Step1: Vertical angles are equal.

Vertical angles have equal measures.

Step2: Angle 2 equals Angle 1.

$\angle 2 = \angle 1 = 72^\circ$

Answer:

A. 72