Answer:
180 degrees, because the sum of all the angles of a triangle always equals 180 degress.
C
I think this is the right answer
Step-by-step explanation:
XVW
don't have enough info to state the scale factor
13. no solution
15. 3
16. 2
17. 5
18. -8
19. -7
20. 6
21. -5
22. -7
