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29 April, 13:41

A ladder is placed against the side of a house. The top of the ladder is 12 feet above the ground. The base of the ladder is 5 feet away from the house. Find the length of the ladder.

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  1. 29 April, 14:32
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    This is the Pythagorean theorem where the 2 legs of a triangle squared add up to equal the squared hypotenuse (a^2 + b^2 = c^2)

    The equation would be

    12^2 + 5^2 = x^2

    144 + 25 = 169

    The square root of 169 = 13

    Answer - 13 ft
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