Across
- 3. angle with 90°
- 5. angle less that 90°
- 7. a line that intersects a circle, but it intersects at 1 point
- 8. segment a line with twoend points (measurable)
- 10. a portion of the edge of a circle that is defined by two endpoints
- 13. a flat surface made of points and extends indefinitely in all directions
- 14. an arc with endpoints that lie on a diameter (always 180°)
- 17. common endpoint of two rays
- 18. πr2
- 19. a chord that passes through the center
- 20. two segments that have the same length
- 23. angle more than 90°
- 24. points that lie on the same plane
- 28. π x d
- 29. a segment with endpoints on the circle
- 30. points that lie on the same line
Down
- 1. angle with vertex on the circle with 2 sides that are chords
- 2. the point which the tangent line intersects a circle
- 4. a segment with endpoints at the center and on the circle
- 6. angle with vertex at the center with 2 sides that are radii
- 9. a location with no shape or size
- 10. two rays with a common endpoint
- 11. made of points and has no thickness or width
- 12. a line that intersects a circle in exactly two places
- 15. a set of points equidistant from a given point (center)
- 16. arc more than 180°
- 21. a line that extends indefinitely
- 22. a segment line or plane that intersects a segment
- 25. a formula to find the distance between two points on a coodrinate plane
- 26. angles with the same measurement
- 27. arc less than 180°