Across
- 3. any segment, line, plane, or point that intersects a line segment at its midpoint
- 4. made of points & extends indefinitely in both directions
- 5. length of the line segment between 2 points
- 9. part of a line that contains 2 endpoints
- 10. accepted as true without proof
- 12. a location with no size only position
- 13. a boundless three-dimensional set of all points
- 15. equal or same measurements
- 17. type of geometry that uses the coordinate system
- 18. can be proven true using postulates & definitions
Down
- 1. point on a line segment halfway between the endpoints of the segment
- 2. on the same line
- 6. same distance
- 7. place where two lines cross
- 8. a flat surface that extends indefinitely in all directions
- 11. type of geometry without use of coordinates
- 14. on the same plane
- 16. separate a line segment into 2 congruent segments