Answered: 4) The airplane door is 19 feet off the…

4) The airplane door is 19 feet off the ground and the ramp has a 31° angle of elevation. 19 ft 31 What is the length y of the ramp?

PREALGEBRA

15th Edition

ISBN:9781938168994

Author:OpenStax

Publisher:OpenStax

Chapter9: Math Models And Geometry

Section9.3: Use Properties Of Angles, Triangles, And The Pythagorean Theorem

Problem 128E: Explain how the figure below illustrates the Pythagorean Theorem for a triangle with legs of length...

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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

4) The airplane door is 19 feet off the ground and the ramp has a 31° angle of elevation.
19 ft
31
What is the length y of the ramp?

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