Across
- 4. half of a circle
- 7. the point where tangency meets the circle
- 12. a part of the circumference
- 13. The angle in the middle of the cricle.
Down
- 1. something round
- 2. a straight line segment
- 3. assosiated with less than half of a rotation
- 5. a line through the circle
- 6. one whose legs are seecant of the circle
- 8. connecting two end points
- 9. line through the center of the circle
- 10. a line passing through two points of a curve
- 11. a line touching a cricle