10. From a window 30 feet 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°. What is the height of the building across the street? 82.4 feet 112.4 feet 98.2 feet 128.2 feet
10. From a window 30 feet 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°. What is the height of the building across the street? 82.4 feet 112.4 feet 98.2 feet 128.2 feet
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.1: The Law Of Sines
Problem 52PS: Gina is standing near a building and notices that the angle of elevation to the top of the building...
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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
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