Answer:
? = 50°
Explanation:
You want the measure of the unknown intercepted arc where chords cross at an angle of 125° intercepting one arc that is 200° and another that is unknown.
Angle at chords
The angle where the chords cross is the average of the intercepted arc measures.
(ED +VC)/2 = 125°
200° +VC = 250° . . . . . multiply by 2
VC = 50° . . . . . . . . . . subtract 200°
The unknown arc VC has measure 50°.
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