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5 July, 09:18

An equilateral triangle has a perimeter of 9x+6. What is the length o each side of the triangle?

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Answers (2)
  1. 5 July, 10:29
    0
    Divide it all by 3:

    9x + 6 / 3 = 3x + 2

    Each side is equal to 3x + 2
  2. 5 July, 13:02
    0
    If the length is X

    X+X+X = 9X+6

    3X=9X+6

    -6X=6

    X=-1

    but because length can't be negative X=1
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