3.528571429
Hope This Helps!!
Answer:
12
Step-by-step explanation:
Answer:
id kkk what the quequestion is
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
Co terminal angles are angle ± 2π, that is
+ 2π
=
+
= 
and
- 2π
=
-
= - 
Y-9 + y/2 = 180
Add nine to each side
y+y/2=189
Multiply each side by two
2y+y=378
Add the y's together
3y=378
Divide it all by three
y=126
so, Angle B is 126 degrees
I hope that helps!