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Math

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a roof rises 1.9 feet vertically and 9.1 feet horizonally. what is the grade of the roof?

  • Math -

    TanA = 1.9/9 = 0.2111
    A = 11.9 Deg.
    Grade = h/L = Sin(11.9) = 0.206.

  • Math -

    Grade = Sin(11.9) = 0.206 = 20.6%

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