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In a circle an arc 60 centimeters lon subtends an angle of 5 radians. What is the radius of the circle?
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In a circle an arc 60 centimeters lon subtends an angle of 5 radians. What is the radius of the circle?

User Arinzehills
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arc length = rθ [r = radius of the circle, θ = central angle in radians] ⇒

r = arc length/θ = 60/5 = 12 cm
User SPWorley
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