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11 March, 00:27

9.4.27

The length of a rectangle is 9 centimeters less than its width. What are the dimensions of the rectangle if its area is 90 square centimeters

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Answers (1)
  1. 11 March, 03:27
    0
    w=15. l=6

    Step-by-step explanation:

    l=w-9

    w=w

    area=90

    area=l*w

    90 = w (w-9)

    90=w²-9w

    turn it to a quadriatic equation
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