Question

find the indicated angle measures. then justify each an
5
1
115°
m∠1 = ______ °

Explanation:

Step1: Identify angle - relationship

$\angle1$ and the $115^{\circ}$ angle are vertical angles.

Step2: Apply vertical - angle property

Vertical angles are congruent. So $m\angle1 = 115^{\circ}$.

Answer:

$115$