Answer:
30°
Step-by-step explanation:
<4=<2=30
(vertical opposite angles are equal)
We need to count the number of games that score 15, 16, 17 and 18
Score 15 = 3 games
Score 16 = 2 games
Score 17 = 5 games
Score 18 = 3 games
Total = 13 games
The answer is 180 degrees