Across
- 2. A line from the center of a circle to its edge
- 4. The distance around a circle
- 7. A polygon with four sides
- 9. The space a 3D object occupies
- 11. A polygon with three sides
- 12. The space between two intersecting lines
- 13. A line that starts at a point and extends infinitely in one direction
Down
- 1. A closed shape with three or more straight sides
- 3. A line passing through the center of a circle, touching both sides
- 5. A round shape with all points equidistant from the center
- 6. A line segment that connects two points on a circle
- 8. A line that touches a circle at exactly one point
- 9. A point where two or more lines meet
- 10. Segment A part of a line with two endpoints
- 12. The space inside a shape