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13 January, 17:19

A circle has a circumference of 18. It has an arc of 6. What is the central angle of the arc, in degrees?

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  1. 13 January, 19:21
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    Step-by-step explanation:

    C=2πr

    18=2*3.14*r

    18=6.28r

    r=2.88

    Arc of a circle

    A=®/360°πr

    6=®/360°*3.14*r

    ®=239°

    6
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