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19 June, 05:57

A triangle has sides that are of unknown lengths but if one side is 4X than the other sites are 10x and 12x. It's perimeter is 104 inches. Determine the length of each side so the steps of your answer clearly check your answer and then state your answer clearly.

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  1. 19 June, 09:34
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    the perimeter is the sum of the 3 sides of the triangle, hence

    4x + 10x + 12x = 104

    26x = 104 (divide both sides by 26)

    x = 4

    thus the sides of the triangle are

    4x = 4 * 4 = 16 inches

    10x = 10 * 4 = 40 inches

    12x = 12 * 4 = 48 inches

    As a check

    16 + 40 + 48 = 104 inches ← correct
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