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8 April, 21:02

Find the length of arc ac? ab=24

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  1. 8 April, 21:17
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    The formula is theta=s/r

    r=radius which in this case is 24/2=12cm

    s=the arc length

    theta is the angle formed by the arc which is 180-45=135

    Express 135 degrees in radians and you get 0.75pi

    s=r times theta or 12 (0.75pi) = 9pi
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