Across
- 1. indicates a location
- 3. angles that add to 180 degrees
- 5. angles across from each other when two straight lines cross
- 7. angles that add to 90 degrees
- 8. points on the same line
- 11. a flat surface extending in all directions
- 12. amount of space that a shape occupies
- 14. angle between 0 and 90 degrees
- 15. the distance around the edge of a shape
- 17. a portion of a line that has two endpoints
- 18. angle that is 180 degrees
Down
- 2. angle between 90 and 180 degrees
- 4. pair both adjacent and supplementary
- 6. a portion of a line with one endpoint extending in one direction
- 8. points on the same plane
- 9. a straight path that extends in both directions
- 10. angles that share a side and a vertex
- 13. rays rays with the same endpoint, going in opposite directions
- 16. angle that is 90 degrees