A woman entering an outside glass elevator on the ground floor of a hotel glances up to the top of, the building across the street and notices that the angle of elevation is 53°. She rides the elevator up three floors (60 feet) and finds that the angle of elevation to the top of the building across the street is 31°. How tall is the building across the street? (Round to the nearest foot.) ft Need Help? Read It Watch it
A woman entering an outside glass elevator on the ground floor of a hotel glances up to the top of, the building across the street and notices that the angle of elevation is 53°. She rides the elevator up three floors (60 feet) and finds that the angle of elevation to the top of the building across the street is 31°. How tall is the building across the street? (Round to the nearest foot.) ft Need Help? Read It Watch it
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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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
![A woman entering an outside glass elevator on the ground floor of a hotel glances up to the top of, the building across the street and notices that the angle of elevation is 53°. She rides the
elevator up three floors (60 feet) and finds that the angle of elevation to the top of the building across the street is 31°. How tall is the building across the street? (Round to the nearest
foot.)
ft
Need Help?
Read It
Watch it
9. [-/1 Points]
DETAILS
MCKTRIG8 7.1.037.
MY NOTES
PRACTICE ANOTHER](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0fd778a8-4bc9-4df1-a6f4-c6fdf5095937%2F9d8e3391-aaba-40a1-ae02-8f636d448b2d%2Fln6dast_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A woman entering an outside glass elevator on the ground floor of a hotel glances up to the top of, the building across the street and notices that the angle of elevation is 53°. She rides the
elevator up three floors (60 feet) and finds that the angle of elevation to the top of the building across the street is 31°. How tall is the building across the street? (Round to the nearest
foot.)
ft
Need Help?
Read It
Watch it
9. [-/1 Points]
DETAILS
MCKTRIG8 7.1.037.
MY NOTES
PRACTICE ANOTHER
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