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According to ADA guidelines, at most, an incline can be 8.5°. Is the following incline acceptable? If yes, prove it. If not, explain why and change one dimension in the design so that it would be.​

According to ADA guidelines at most an incline can be 85 Is the following incline acceptable If yes prove it If not explain why and change one dimension in the class=

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mhanifa

Answer:

Let the angle is x.

We have:

  • tan x = 15/90
  • tan x = 1/6
  • x = arctan (1/6)
  • x ≈ 9.5°

Since 9.5° > 8.5° it is not acceptable.

If the angle is 8.5° and the height is x, then we have:

  • tan 8.5° = x / 90
  • x = 90 tan 8.5°
  • x = 13.45 ft

The height is at most 13.45 ft

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