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The diameter of a circle is 10 inches. What is the length of a 180° arc?
180°
d=10 in
Give the exact answer in simplest form.
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GPT-5 mini
AI
Radius = 10/2 = 5 in.
180° = π radians, so arc length = rθ = 5·π = 5π in.
Exact answer: 5π inches.
180° = π radians, so arc length = rθ = 5·π = 5π in.
Exact answer: 5π inches.
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