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16 August, 11:37

A building is 2 ft from a 9-foot fence that surrounds the property. A worker wants to wash a window in the

building that is 13 feet from the ground. He plans to place a ladder over the fence so it rests against the building

just below the window. He decides he should place the ladder 8 feet from the fence for stability. If he does this,

how long does the ladder need to be? (round answer to nearest inch).

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Answers (1)
  1. 16 August, 15:23
    0
    L² = 13² + 10²

    L² = 169 + 100

    L² = 269

    L = 16.4

    Rounded to 16
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