Across
- 2. Half of diameter
- 3. A ring-shaped object
- 5. Circles with a common center
- 8. Half of a circle
- 11. A straight line joining two points on a function
- 12. The length from one side of a circle to another
- 14. An angle with endpoints and located on a circle's circumference and vertex located at the circle's center
Down
- 1. The length around a circle
- 4. Two chords in a circle which have a common endpoint
- 6. A given point is the straight line that "just touches" the curve at that point
- 7. The ratio of the circumference of a circle to the length of its diameter
- 9. The middle
- 10. A line segment with endpoints on a circle
- 13. A part of a circle named by its endpoint