Topics of this game:
- Goes through two points of the circle
- An angle whose vertex is at the center of a circle
- A chord that passes through the center of a circle
- A line segment that connects two point on a circle
- The area between two radii of a circle, and the arc
- Two points on a circle and the part of the circle between them
- Connects the center of a circle and a point on the circle
- A line that touches a circle at one one point
