From a window 20 feet above the ground, the angle of elevation to the top of a building across
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Mathematics, 11.01.2020 06:31 Coinda
From a window 20 feet above the ground, the angle of elevation to the top of a building across
the street is 78°, and the angle of depression to the base of the same building is 15°. find the
height of the building across the street.
Answers: 1
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