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Explain why this ramp does not meet the requirements

To determine if the ramp meets the Americans with Disabilities Act (ADA) requirements, we need to calculate the slope of the ramp and compare it to the maximum allowable slope of \( \frac{1}{12} \).

### Calculation:

1. **Ramp Slope Formula**: The slope of a ramp is calculated as the ratio of the vertical rise to the horizontal run:
   \[
   \text{Slope} = \frac{\text{Rise}}{\text{Run}}
   \]
2. **Given Measurements**:
   - **Rise** = 15 ft
   - **Run** = 150 ft

3. **Calculate the Slope**:
   \[
   \text{Slope} = \frac{15 \text{ ft}}{150 \text{ ft}} = \frac{1}{10}
   \]

### Comparison to ADA Requirement:

- The maximum allowable slope under the ADA is \( \frac{1}{12} \), which is approximately 0.0833.
- The calculated slope of the ramp is \( \frac{1}{10} \), or 0.1.

Since 0.1 is steeper than 0.0833, this ramp does not meet the ADA requirement. It is too steep, making it potentially inaccessible for wheelchair users. 

Would you like more details or have any questions?

### Follow-up Questions:
1. How would you adjust the ramp to meet the ADA requirement?
2. What is the importance of following the ADA guidelines for ramps?
3. Can you calculate the maximum rise allowed for a 150 ft ramp to be compliant?
4. How does a steeper ramp impact wheelchair users compared to a compliant slope?
5. What are other ADA requirements for wheelchair ramps besides slope?

### Tip:
Always ensure that ramps are checked for slope compliance by calculating the ratio of rise to run, especially for long ramps where small differences can affect accessibility.

Determine if a ramp meets ADA slope requirements by calculating the slope based on rise and run. This example uses a ramp with a 15 ft rise and a 150 ft run, illustrating how to compare it to the maximum allowable slope of 1/12. Suitable for students in Grades 9-12.

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