Answer:
The measure of arc GH is 80 degrees.
Step-by-step explanation:
Circles F and J are congruent.
Given that: m∠DFE = 80°
Angle DFE serves as the central angle of circle F.
Arc GH's measurement corresponds with the central angle from Circle J.
Since the two circles are congruent
The measure of arc GH, therefore, is 80 degrees.
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