# im.g.4.1.3.Is It Accessible?

1. Some buildings offer ramps in addition to stairs so people in wheelchairs have access to the building. What characteristics make a ramp safe?

3. Look at the ADA guidelines in the pdf file below. Does your drawing follow the rules of this law? (answer in the space provided here). If not, redo your drawing so that it meets the ADA guidelines.

## im.g.4.1.3.ADA Guidelines

## Are you ready for more?

Use the applet below to help you answer questions 4 through 7. 4. What is the angle measurement if the base is only 6 units long and the height is 1 unit tall?

5. When the length is half as long does that make the angle half as big? Explain.

6. What is the angle measurement if the base is 6 units long and the height is increased to 2 units tall?

7. When the height is twice as tall, does that make the angle twice as big?