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21 July, 17:49

Change the subject of the formula s=n/2 (a+l)

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  1. 21 July, 19:11
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    If you want n to be the subject of the formula;

    n=2s (a+l) = 2sa+2sl

    if you want a to be the subject of the formula;

    n=2sa+2sl

    2sa=n-2sl

    a = (n-2sl) / (2s)

    if you want l to be the subject of the formula

    n=2sa+2sl

    2sl=n-2sa

    l = (n-2sa) / (2s)
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