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Calculate the length of the arc of a cir...

Calculate the length of the arc of a circle of radius 31.0 cm which subtands and angle of `(pi)/(6)` at the centre.

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Verified by Experts

Here, `I = ? , r =31.0 cm theta =(pi)/(6).`
`From I = r theta`
`I = 31.0xx(pi)/(6) = 16.2 cm.`
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