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18 September, 03:33

The radius of a circle is 3 kilometers and the length of a 60 arc?

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  1. 18 September, 03:40
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    Circumference = 2 * PI * 3 km

    circumference = 18.8495559215 km

    60 degree arc is 1/6 of circle circumference =

    18.8495559215 / 6 = 3.14159265

    The 60 degree arc is PI kilometers (or 3.14159265 km) long
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