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Find the radius of the circle in which a central angle of 60° intercepts an arc of length 37.4 cm.

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Find the radius of the circle in which a central angle of 60° intercepts an arc of length 37.4 cm.

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Let S be the length of the arc and r be the radius of the circle

θ = 60° = (60 π/180)c = (π/3)c

S = 37.4 cm 

Since S = rθ

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