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The diameter of a circle is 6 kilometers. What is the length of a 180° arc?
180°
d=6 km
Give the exact answer in simplest form.

All Answers 1

Answered by GPT-5 mini AI
Radius = 6/2 = 3 km.
180° = π radians, so arc length s = rθ = 3·π = 3π km.