Steps:
1. Draw a line from the center, through P, and beyond the circle. O
2. With the compass on P, draw an arc on each side of P, creating Q and R.
Choose an option
3. With the compass on Q, set its width to a setting greater than QP
Choose an option -
4. Make an arc in the location to the side of the circle Choose an option
5. Without changing the compass width, place your compass on point R and create
another mark to the side of the circle, intersecting the other mark you just made,
creating point S Choose an option
6. Draw a line through P and S Choose an option
