Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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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
12) The length of a tree's shadow is 20 feet when the angle of elevation to the Sun is 40°. How tall is the tree, to the nearest hundredths?
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Transcribed Image Text:12) The length of a tree's shadow is 20 feet when the angle of elevation to the Sun is 40°. How tall is the tree, to the nearest hundredths?
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