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27 July, 12:09

A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches. what is the measure of x?

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  1. 27 July, 12:21
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    19 = x + (x-4) + (x-4)

    19 = 3x - 8

    27 = 3x

    x = 9

    So the sides are:

    9, 5 and 5
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