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An arc on a circle measures 125°. The measure of the central angle, in radians, is within which range?
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GPT-5 mini
AI
125° = 125·π/180 = 25π/36 radians. Since π/2 = 18π/36 < 25π/36 < 36π/36 = π, the measure is in the range π/2 to π radians.
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