Across
- 2. An exact location in space
- 4. A 3-sided polygon
- 6. A quadrilateral with 2 sets of parallel lines
- 11. Lines that intersect at right angles
- 13. Part of a line with 1 endpoint that goes on and on in only one direction
- 17. Lines that intersect
- 18. A common endpoint of 2 rays
- 19. A closed figure formed by 3 or more lines
Down
- 1. A 4-sided polygon
- 3. Line that cuts an object into 2 equal pieces
- 5. Lines that never intersect
- 7. Triangle with 1 obtuse angle
- 8. A parallelogram with 4 equal sides
- 9. Quadrilateral with 4 right angles and 4 sides
- 10. Part of a line with 2 endpoints
- 12. Triangle with 3 acute angles
- 14. Two rays with a common endpoint
- 15. Extends forever in both directions
- 16. Triangle with 1 right angle