Answer:
30
Step-by-step explanation:
Add all the measures 50+35+85+65+60= 210
subtract 180 from 210 and you get
210-180 = 30
we use 180 because Example: Angles on one side of a straight line always add to 180 degrees. 30° + 150° = 180° When a line is split into 2 and we know one angle, we can always find the other one.
