Across
- 1. continuous portion of a circle
- 4. points that do not lie on the same line
- 6. line that passes through the center of the circle
- 10. line that intersects a circle in two points
- 11. two angles sum is 180 degrees
- 14. line in the plane of the circle that intersects the circle in one point
- 15. the distance around the circle
Down
- 2. segment that connects to points on the circle
- 3. segment joining the two base planes and perpendicular to both
- 5. points that lie on the same plane
- 7. segment where the endpoints are the edge of the circle and the center
- 8. two angles sum is 90 degrees
- 9. angle less than 90 degrees
- 12. one-dimensional "line"
- 13. means to have the same shape and size