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5 September, 13:50

A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall?

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Answers (2)
  1. 5 September, 14:07
    0
    Hi Kasey!

    Here's your solution: Use Pythagoras' theorem to solve this problem:

    a2+b2 = c2 (the ladder)

    c2-a2 = b2 (height of wall)

    100-16 = 84. The square root of 84 is 9.16515139

    Therefore the ladder will reach 9 feet up the wall to the nearest foot.
  2. 5 September, 15:47
    0
    Well 10 x 2 = 20.

    The building from the ladder is 20ft
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