A NEWS helicopter flying at a height of 300 ft is filming emergency vehicles that are rushing to the scene of a fire. From the helicopter, the angle of depressions to the emergency vehicles is 20° and to the fire is 40°.

A NEWS helicopter flying at a height of 300 ft is filming emergency vehicles that are rushing to the scene of a fire. From the helicopter, the angle of depressions to the emergency vehicles is 20° and to the fire is 40°.

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

BONUS:
A NEWS helicopter flying at a height of 300 ft is filming
emergency vehicles that are rushing to the scene of a
fire. From the helicopter, the angle of depressions to
the emergency vehicles is 20° and to the fire is 40°.
How far are the emergency vehicles from the fire?
ft
*round to the nearest foot.

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