1. 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. 2. Use your answer above to find the total length of the part of the track that is made up of sides of the square. 3. The circumference of a circle is pi times the diameter. A side of the square is the diameter of each half circle.