Step 1: 4 Pizza Slices Imagine one whole pizza, cut into four even slices. In math we would call these four parts of the circle quadrants. Fig. 2. Unit circle with quadrants added.

In a unit circle, any line that starts at the center of the circle and ends at its perimeter will have a length of 1. So, the longest side of this triangle will have a length of 1. The longest side of ...