The recommended angle for a wheel chair ramp is 5 degrees. If the rise of the ramp to go up the steps is 5 feet, find the horiza
ntal run length that the ramp must start. (Round to one decimal place)
1 answer:
Answer:
1. Draw out a diagram as a triangle with one side as the 5' rise, the other side as the horizontal run, and the hypotenuse as the ramp.
2. Put the 5 ° in as the angle between the run and the ramp.
3. Let the run = x. Using trigonometry (needed!) the tangent angle (tan) of 5° = opposite/adjacent = 5/x.
4. So x = 5/tan(5°). you will need a scientific calculator to solve.
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she could buy 3 bags of chips with money left over
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Answer: The answer is D
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diagonal = sqrt(a^2 +b^2)
20 = sqrt(12^2 +b^2)
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20^2 = 144 + b^2
400 = 144 + b^2
256 = b^2
b = sqrt(256) = 16
it is 16 inches wide
