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March 30, 2017

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A fire and rescue squads places a 15 ft ladder against a burning building. If he ladder is 9ft from the building how far up will the ladder reach?
I got 17.5 ft
Is that right?

  • Math word problem - ,

    nope ...

    h^2 + 9^2 = 15^2
    h^2 + 81 = 225
    h^2 = 144
    h = √144 = 12

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