Answer: if i did my math correctly, 72 degrees is ur answer.
Step-by-step explanation:
Answer:
Step-by-step explanation:
a = 180 - 100
= 80 degrees
b = 180 - 80
= 100 degrees
c = 180 - 135
= 45 degrees
The answer is -12. R times -6 is -18 and -18 plus -6 is -12