Answer:
40
Step-by-step explanation:
As the total circumference of a circle is 360 degrees, the measure of the unknown arc is 360-150-130=80 degrees.
So, by the inscribed angle theorem, angle 1 measures 40 degrees.
Answer:
B. 
Step-by-step explanation:
Only the third one make sense I believe
Answer:
x =4
Step-by-step explanation: