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23 January, 13:18

A triangle has one side that measures 12, another side that measures x, and a third side that measures 4 less than x. The perimeter is 26. Which equation would we use to find the value of x?

x + x + 4 + 12 = 26

x + x - 4 + 12 = 26

x + x - 4 = 26

x + x + 4 = 26

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Answers (1)
  1. 23 January, 15:06
    0
    Perimeter = sum of all 3 sides in a triangle

    so

    x + x - 4 + 12 = 26

    answer

    B. x + x - 4 + 12 = 26
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