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17 March, 07:01

A triangle has a perimeter of 30 cm. Two sides of the triangle are each twice as long as the shortest side. Find the length of the shortest side

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  1. 17 March, 08:23
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    So let the shortest side be x

    Then the lenght of one long side is 2x

    Therefore the perineter is 2x + 2x + x = 30

    We now solve for x

    2x + 2x + x = 30

    5x = 30

    x = 30/5

    x = 6

    So the lenght of the shortest side is 6cm
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