Answer:
120°
Step-by-step explanation:
We can see that b=a by opposite exteriors.
So a+1/2a=180
1.5a=180
a=180/1.5=120
And since b and a are equal, b also equals 120°
Answer:
11 hours 20 minutes
Step-by-step explanation:
B.) 8(x+4) is the best choice
