Across
- 3. An exact location in space with no size
- 5. The point where two sides of a polygon meet
- 6. Part of a line with two endpoints
- 9. A straight path that extends forever in both directions
- 10. A three-sided polygon
- 12. A shape with all points equidistant from the center
- 13. A closed shape with straight sides
- 14. A line from the center of a circle to its edge
Down
- 1. A line passing through the center of a circle, touching both sides
- 2. Lines that never meet, no matter how far extended
- 4. A line that touches a circle at exactly one point
- 7. A shape with four equal sides and four right angles
- 8. A flat surface with no thickness that extends endlessly
- 11. Formed when two rays meet at a point
- 12. A line segment connecting two points on a circle
- 14. A part of a line that starts at one point and goes on forever