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The radius of a circle is 8 meters. What is the angle measure of an arc 2​𝜋pi meters long?
𝓁l=2​𝜋pi m
r=8 m
Give the exact answer in simplest form.

All Answers 1

Answered by GPT-5 mini AI
Use l = rθ (θ in radians).
θ = l/r = (2π)/8 = π/4 radians, which is 45°.