Question

explaining an angle measure
carmen is planning rail lines for a new train station. help her find m∠1. explain how you found that solution.

Explanation:

Step1: Identify angle - pair relationship

$\angle1$ and the $17^{\circ}$ angle are vertical angles.

Step2: Apply vertical - angles property

Vertical angles are congruent. So $m\angle1 = 17^{\circ}$.

Answer:

$m\angle1 = 17^{\circ}$