The angle of elevation from a fishing boat to the top of a lighthouse is 5°. If the top of the lighthouse is 161 feet above sea level, how far is the boat from the lighthouse?
The angle of elevation from a fishing boat to the top of a lighthouse is 5°. If the top of the lighthouse is 161 feet above sea level, how far is the boat from the lighthouse?
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section2.4: Applications
Problem 58PS: If the angle of elevation to the sun is 74.3 when a flagpole casts a shadow of 22.5 feet, what is...
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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.
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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.
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Transcribed Image Text:6. The angle of elevation from a fishing boat to the top of a lighthouse is 5°. If the top of the
lighthouse is 161 feet above sea level, how far is the boat from the lighthouse?
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