To estimate the height of a building, two students find the angle of elevation from a point (at ground level) down the street from the building to the top of the building is 38°. From a point that is 150 feet closer to the building, the angle of elevation (at ground level) to the top of the building is 57°. if we assume that the street is level, use this information to estimate the height of the building. The height of the building is feet.
To estimate the height of a building, two students find the angle of elevation from a point (at ground level) down the street from the building to the top of the building is 38°. From a point that is 150 feet closer to the building, the angle of elevation (at ground level) to the top of the building is 57°. if we assume that the street is level, use this information to estimate the height of the building. The height of the building is feet.
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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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.
Question
Transcribed Image Text:To estimate the height of a building, two students find the angle of elevation from a point (at ground level)
down the street from the building to the top of the building is 38°. From a point that is 150 feet closer to
the building, the angle of elevation (at ground level) to the top of the building is 57°. If we assume that
the street is level, use this information to estimate the height of the building.
The height of the building is
feet.
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