Answer : 110 degree
To find angle 1 , we apply outside angle theorem Lets name each point Measurement of arc EF=280 degrees
Measurement of arc GH = 60
Angle D = angle 1
Please refer to the theorem attached below

Now we plug in the values

angle 1 = 110
Measurement of angle 1 = 110 degrees
Answer:
the correct answer is A. Because it shows the equal qualifient of the answer
As an improper fraction, it is

.
Answer:
A
Step-by-step explanation: