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Building a Wheelchair Accessibility Ramp with Trigonometry

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A contractor is building a wheelchair accessibility ramp (see figure) for a business. Using your knowledge of right-triangle trigonometry, help advise him how to create a ramp whose dimensions will meet the specification needed that will allow wheelchair accessibility. Talk about the procedure the contractor will need to follow to find the dimensions of the three sides and the measurements of the three angles. Consider the implications of the Americans with Disabilities Act (ADA) in your discussion and provide an example. Cite all sources in APA style.

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Solution Summary

The solution attaches a helpful diagram detailing the calculations needed to work out the dimensions of the ramp in accordance with regulations which are also here researched with references linked.

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Please see the following reference: http://www.access-board.gov/adaag/html/adaag.htm#4.8

Under Ramps:
The least possible slope shall be used for any ramp. The maximum slope of a ramp in new construction shall be 1:12. The maximum rise for any run shall be 30 in (760 mm). Curb ramps and ...

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