How can you use formulas you already know to find the area and perimeter of a composite figure? The six lane track shown in the made up of a rectangle. Terminology and helpful formulas: A straightway is the non curved section of the track. In this specific track each straightaway is 85. 0 meters long. Area of rectangle: A=l w. Area of circle A=r2 Circumference C=2r. In the straightaways, each lane is rectangle. What is the area and perimeter of each lane in the straightaways?