
is the equation of a circle centered at

with radius

.
Here

,

, and

. So the answer is (C)
3X+9X=180
12X=180
X=15°
Angle 1=3X
Angle 1 =45°
That's your answer.
Answer:
Always go with your gut it is D! :)
Step-by-step explanation:
Answer:
EXPLAIN
Step-by-step explanation: