Across
- 4. a segment with endpoints on a circle
- 6. C=2piR
- 8. Arcs that have one point in common
- 11. the line segment inside the circle that is twice the radius
- 12. an angle that has a vertex on a circle and sides that contain chords of the circle
- 14. l=x/360(2piR)
- 18. half a circle
Down
- 1. arcs that have the same measurement
- 2. A round shape
- 3. the segments that form when two chords intersect inside a circle
- 5. circles with the same center
- 7. an arc that measures less than 180 degrees
- 9. half of a diameter
- 10. a line in the plane of a circle that intersects the circle in exactly one point
- 13. A part of a circle that is defined by two endpoints
- 15. anyline that intersects a circle in exactly two points
- 16. An arc that mesures more than 180 degrees
- 17. 3.141592653589793238462643383279502884197169399375105820974944592307816406286
- 19. The point where radii from a locus of points form a circle