Across
- 3. The distance across an entire circle
- 4. A polygon with ten sides
- 6. The amount of space in a 2-D object
- 8. Flat 2-D surface that goes on infinitely
- 10. Whole distance around a circle
- 14. Lines that never intersect
Down
- 1. A 3-D shape with six faces
- 2. Line or segment that divides a angle into two equal parts
- 5. Part of a line that has one endpoint but also extends forever in a direction
- 6. Next to or sharing a side with a side, vertex, or line
- 7. Part of a line with two endpoints
- 9. A polygon with eight sides
- 11. The center of the circle to the outer part of it
- 12. Shape that is formed when a solid is cut by a plane
- 13. Lines that interest at a 90 degree angle