Line l and line m intersect. ∠1 and ∠3 are vertical angles. So with ∠2 and ∠4. ∠1 measures 56°. What is m∠2 + m∠3?
a. 50°
b. 180°
c. 90°
d. 60°
![Line L And Line M Intersect 1 And 3 Are Vertical Angles So With 2 And 4 1 Measures 56 What Is M2 M3 A 50 B 180 C 90 D 60 class=](https://ph-static.z-dn.net/files/d9c/a7e90d9f1ac4dc66883fd60a09d05262.png)