9. An airplane pilot over the Pacific sights an atoll at an angle of depression of 5°. At this time, the horizontal distance from the airplane to the atoll is 4629 meters. What is the height of the plane to the nearest meter? 50 4629 m A. 403 m B. 405 m C. 4611 m D. 4647 m

9. An airplane pilot over the Pacific sights an atoll at an angle of depression of 5°. At this time, the horizontal distance from the airplane to the atoll is 4629 meters. What is the height of the plane to the nearest meter? 50 4629 m A. 403 m B. 405 m C. 4611 m D. 4647 m

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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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

D. 44°
9. An airplane pilot over the Pacific sights an atoll at an angle of depression of 5° At this
time, the horizontal distance from the airplane to the atoll is 4629 meters. What is the height
of the plane to the nearest meter?
5°
4629 m
A. 403 m
B. 405 m
C. 4611 m
D. 4647 m
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