Lesson Check: A skateboard ramp is being built next to a 18ft high sidewalk and has a 30 degree angle of elevation, as shown in the diagram below. 18ft 30° y What is the ramp's length (x), and the horizontal distance (y) of the ramp?

Lesson Check: A skateboard ramp is being built next to a 18ft high sidewalk and has a 30 degree angle of elevation, as shown in the diagram below. 18ft 30° y What is the ramp's length (x), and the horizontal distance (y) of the ramp?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section: Chapter Questions

Problem 42RE

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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.

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Lesson Check:
A skateboard ramp is being built next to a 18ft high sidewalk and has a 30 degree angle of
elevation, as shown in the diagram below.
18ft
30°
What is the ramp's length (x), and the horizontal distance (y) of the ramp?
8.

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