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29 March, 13:38

30 foot ladder leaning aginst a 20 foot roof what's the angle between the ladder and ground

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  1. 29 March, 15:04
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    Let angle between ladder and ground be x,

    sin x = opposite/hypothenus

    sinx=20 foot/30 foot

    sinx = 0.6667

    x = 41.81 degrees
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