# Lesson 3 Pied! Solidify Understanding

The U.S. Department of Justice’s 2010 Americans with Disabilities Act (ADA) Standards of Accessible Design require that the number of van-accessible parking spaces compared to the number of designated accessible parking spaces be one out of every six.

### 1.

If a mall has

### 2.

The parking lot at the Magic Kingdom in California has

### 3.

Most Costco parking lots average

### 4.

A Walmart nearby has

We can make ratios between many different quantities. Trigonometric ratios of sine, cosine, and tangent are ratios between side-lengths in a right triangle. Write the indicated ratios for the right triangles shown.

### 5.

### 6.

### 7.

### 8.

Use the given information to determine each length or area.

### 9.

The area of circle

### 10.

The circumference of circle

### 11.

The area of the small sector of the circle is

### 12.

The length of

### 13.

The length of

### 14.

The area of the small sector of circle

### 15.

Each time you set up your problem in 11–14, what factor was multiplied by the area or circumference of the circle?

### 16.

Explain why this factor was needed in each problem.

Find the measure of angle