Across
- 4. from the edge to the center of a circle
- 5. straight 1D figure
- 7. 2D closed shape
- 9. line segment connecting two points on a curve
- 10. three-sided polygon
- 13. line that touches a curve at one point
- 14. point where 2 or more-line segments meet
- 15. portion of a circle's circumference
Down
- 1. polygon with four sides, vertices, and angles
- 2. straight line segment through the center of a circle
- 3. fragment
- 6. represented by a dot
- 8. space inside a shape
- 9. from the center to the edge is the radius
- 11. part of a line starting at endpoint
- 12. 2 straight lines that meet at a common endpoint