a.) A wheelchair ramp is planned to be 4.2 meters long. It rises up 0.7 meter. What is the angle of elevation of the ramp to the nearest tenth of a degree? 4.2 m 0.7 m b.) According to the Americans with Disabilities Act (ADA), the wheelchair ramp should have an angle of elevation of 4.8°. Does the planned ramp from part a meet this requirement? Explain your answer. c.) What change would you make to the planned ramp to make sure that it complied with the ADA? You cannot change the height of the ramp. Show all work and explain your answer.

a.) A wheelchair ramp is planned to be 4.2 meters long. It rises up 0.7 meter. What is the angle of elevation of the ramp to the nearest tenth of a degree? 4.2 m 0.7 m b.) According to the Americans with Disabilities Act (ADA), the wheelchair ramp should have an angle of elevation of 4.8°. Does the planned ramp from part a meet this requirement? Explain your answer. c.) What change would you make to the planned ramp to make sure that it complied with the ADA? You cannot change the height of the ramp. Show all work and explain your answer.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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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

a.) A wheelchair ramp is planned to be 4.2 meters long. It rises up 0.7 meter. What is the angle of elevation of the ramp to
the nearest tenth of a degree?
4.2 m
0.7 m
b.) According to the Americans with Disabilities Act (ADA), the wheelchair ramp should have an angle of elevation of
4.8°. Does the planned ramp from part a meet this requirement? Explain your answer.
c.) What change would you make to the planned ramp to make sure that it complied with the ADA? You cannot change the
height of the ramp. Show all work and explain your answer.

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