# Bobby

Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30°.

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1. i think u meant the subject math -_-

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posted by Cassy
2. 30° = π/6 radians

s = rθ = 12(π/6) = 2π

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3. 21

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posted by 21

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