Square 11.02
11.12
11.22
11.32
11.42
11.52
Value
121.0
123.2
125.4
127.7
130.0
132.3

Square
11.62
11.72
11.82
11.92
12.02
Value
134.6
136.9
139.2
141.6
144.0
2. The length of one side of the square is the square root of its area. Use the table to find the approximate length of one side of the square. Explain how you used the table to find this information.

Write your answer in the space below.

3. Use your answers above to find the total length of the part of the track that is made up of sides of the square.

Write your answer in the space below.

4. The circumference of (distance around) a circle is π times the diameter, or C = πd. A side of the square is the diameter of each half circle.
In your answer to question 1, you gave the number of complete circles included in the track. Use this answer and C = πd to find the approximate length of the circular part of the track to the nearest tenth of a foot. Use 3.14 for π and show your work.

Write your answer in the space below.

5. Find the approximate length of the track, including the straight and circular sections.