the street, the angle of elevation to the top of the building across the street is 47.0° and the angle of depression to the base of this building is 17.0°. Find the height of the building across the street.

the street, the angle of elevation to the top of the building across the street is 47.0° and the angle of depression to the base of this building is 17.0°. Find the height of the building across the street.

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 4PS

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Concept explainers

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.

Question

Question 11

From a window 31.0 ft above the street, the angle of elevation to the top of the building across the street is 47.0° and the angle of depression to the base of this building is 17.0°. Find the height of the building across the street.

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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