n the diagram, angle A = 30 degrees, arc DE = 178 degrees, and arc BC = 110 degrees. Find the measure of arc CE, in degrees.
angle A = 30º arc DE = 178º arc BC = 110º
∠30º = 1/2 (arcEC - arcDB) = 1/2 (66 - 6)
The measure of arc CE = 66º
I got 6 degrees
360-179-145-30 = 6
