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5 November, 20:09

Find the dimensions of a rectangular building with a perimeter of 110 meters if the length is four

times the width

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Answers (1)
  1. 5 November, 20:35
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    b = 11 m

    l = 44 m

    Step-by-step explanation:

    l = 4b (length is four times width)

    Perimeter = 110 m

    2 * (l + b) = 110

    2 * (4b + b) = 110

    2 * 5b = 110

    b = 110 / (2*5) = 11

    b = 11 m

    l = 4b = 4 * 11 = 44 m
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