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30 July, 11:50

The circumference of a circle is 60π cm. What is the length of an arc of 140°?

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  1. 30 July, 15:39
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    We can compare the arc length and the circumference using their subtended angles. The circumference subtends an angle of 360°.

    360°/60π = 140°/S

    S = 70π/3 cm
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