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08-04-2017
Mathematics

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Suppose the sun casts a shadow off a 35-foot building. if the angle of elevation to the sun is 60 degrees, how long is the shadow to the nearest tenth of a foot?

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10-04-2017

Use the trigonometric ratio tan (which uses the opposite and adjacent sides)
tan60=35/x
which is
x=35/tan60
which equals 20.2

20.2 ft

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