4. The circumference of (distance around) a circle is n times the diameter, or C = nd. 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 = nd to find the approximate
length of the circular part of the track to the nearest tenth of a foot. Use
3.14 for I and show your work.
Write your answer in the space below.