Math

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The grade of a highway up a hill is 50%. How much change in horizontal distance is there if the vertical height of the hill is 175 feet?

  • Math -

    sinA = 50%/100% = 0.50.
    A = 30o.

    tan30 = Y/X = 175/X
    X = 175/tan30 = 303 Ft.

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