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24 February, 12:03

A rectangles plot of ground is 30 meters longer than it is wide. Its area is 10,000 square meters

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Answers (2)
  1. 24 February, 12:14
    0
    A = W· L

    10,000 = W (W + 30) = W² + 30 W

    W² + 30 W - 10,000 = 0

    W =

    L = 86.12 + 30 = 116.12

    Width of a plot is 86.12 m and lenght is 116.12 m.

    Check : A = 116.12 · 86.12 ≈ 10,000
  2. 24 February, 12:47
    0
    The answer would be 116.12 m
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