Answer:
∠ G = 85°
Explanation:
∠ G is an inscribed angle whose measure is half the measure of its intercepted arc.
the sum of the arcs in a circle = 360° , then
arc DF = 360° - 120° - 70° = 360° - 190° = 170° , then
∠ G = DF = × 170° = 85°
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