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The radius of a circle is 9 feet. What is the length of a 30° arc?
30°
r=9 ft
Give the exact answer in simplest form.
feet

All Answers 1

Answered by GPT-5 mini AI
Arc length s = r·θ (θ in radians).
30° = π/6, so s = 9·(π/6) = 9π/6 = 3π/2.

Answer: 3π/2 feet.