Across
- 3. extend forever in both directions
- 6. Lines that form a right angle
- 9. tool used to measure angles
- 11. True rays sharing a common endpoint
- 12. a straight path with no endpoints
- 13. unit used to measure angles
- 14. Endpoint of a side of the polygon
- 15. an angle that equals 90 degrees
- 16. lines that never meet
Down
- 1. lines that cross at a point
- 2. A flat surface extends forever
- 4. Extends in one direction without curve
- 5. the point halfway between two endpoints
- 7. Part of a line with two endpoints
- 8. has one endpoint and extends forever in one direction
- 10. tool used to measure length