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31 January, 17:27

If a circle has circumference 10 pi cm, then an arc with measure 90 degree has length 5 pi cm true or false

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  1. 31 January, 18:53
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    If circumference = 10 * PI

    then a 90 degree central angle will "sweep out" one fourth of the circumference or 10 PI / 4 = 2.5 PI

    So it is false.
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