Adesigner wants to make a circular fountain inside a square of grass as shown at the right. what is a rule for the area a of the grass as a function if r

Step-by-step explanation:

1. To calculate the area of the grass you must substract the area of the square and the area of the circle.

2. The area of the square is:

Where is one side of the square.

3. You have that:

4. Therefore:

5. The area of the circle is:

6. The are of the grass is:

529 and 531

step-by-step explanation: