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From a window 30.0ft above the street the angle of elevation to the top of the...

From a window 30.0ft above the street the angle of elevation to the top of the building across the street is 50.0° and the angle of depression to the base of the building is 20.0°. Find the height of the building across the street.

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From a window 30.0ft above the street the angle of elevation to the top of the building across the street is 50.0° and the an

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