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29 July, 10:36

a 40-foot ladder leans outside against a the cafeteria. The ladder's base is 20 feet from the cafeteria. To the nearest degree, what is the angle the ladder makes with the ground

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  1. 29 July, 12:47
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    60 degrees.

    Step-by-step explanation:

    We use trigonometry of a right angled triangle:

    Adjacent side = 20 ft, Hypotenuse = 40 ft.

    cos x = adjacent / hypotenuse = 20/40 = 1/2

    x = 60 degrees.
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