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24 October, 14:49

The bottom of a ladder must be placed 4 feet from a wall. the ladder is 12 feet long. how far above the ground does the ladder touch the wall? round your number to the nearest tenth.

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  1. 24 October, 14:58
    0
    The answer is 11.3 feet above the ground
  2. 24 October, 15:09
    0
    Pythagorean theorem

    a^2+b^2=c^2

    c=12

    a=4

    16 + b^2 = 144

    b^2 = 128

    b = 11.3
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