Answer:
Angle 5 measures 112.5 degrees
Step-by-step explanation:
Add the three arcs given and subtract from 360 to get the arc intercepted by angle 5. 50+115+85 = 250. 360-250=110.
Take half the sum of that arc and the opposite arc. 110 + 115 = 225.
225÷2= 112.5
