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23 January, 18:08

Two sides of a triangle have the same length. The third side measures 4 m less than twice the common length. The perimeter of the triangle is 20 m. What are the lengths of the three sides?

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  1. 23 January, 20:28
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    the length of the two equal sides: 8m

    the length of the third side: 8m-4m=4m

    8m*2+4m=20m
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