What is the equation that can be used for the next step in the proof?
m/1+m/2+m/3 = 180°
m/4+m/2+m/5 = 180°
N
m/1+m/2+m/3+m/4+m/5 = 180°
+
m/1+m/3+m/4+m/5 = 180°
N
317
+
8
V
+