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The perimeter of the quadrilateral is 42 centimeters. find the length of each side

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Answers (2)
  1. 24 May, 06:54
    0
    10+11+10+11

    9+12+9+12

    8+13+8+13

    etc
  2. 24 May, 07:12
    0
    Hello

    x+5 + x+6 + x^2-2x + 2x-3 = 43

    2x+11 + x^2 - 3 = 43

    x^2 + 2x + 8 = 43

    x^2 + 2x - 35 = 0

    (x + 7) (x - 5) = 0

    so x = - 7 and x = 5.

    Only x = 5 makes sense so

    side 1 = x + 5 = 10

    side 2 = x + 6 = 11

    side 3 = x^2 - 2x = 15

    side 4 = 2x - 3 = 7

    Check:

    10 + 11 + 15 + 7 = 21 + 22 = 43

    Have a nice day
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