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21 July, 03:50

I need to equation for the radius of a 400m running track I know the answer is 36.5 and I know the formula is = 2r

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  1. 21 July, 03:57
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    This formula only applies if the track is circular. If it is, then we write the equation:

    2*r*pi=400

    Dividing by 2pi, we see that:

    r=200/pi

    This is approximately 63.66.
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