Across
- 5. two end points and all the points in between them
- 6. lines that meet at a 90
- 9. angle formed by opposite rays
- 10. angle whose measure is less than 90
- 11. the sum of two angle use measures is 90
- 12. the set of all points collinear to two points
- 13. point in common of two rays that form an angle
- 15. an angle whose measure is greater than 90 and less than 180
- 16. four parts of a coordinate plane
Down
- 1. the middle point of the line segment
- 2. point where the x-axis and y-axis meet in a coordinate grid
- 3. points that lie on the same plane
- 4. geometric elements of equal measure
- 7. a flat figure with no thickness that extends indefinitley in all directions
- 8. the sum of two angle whos measure is 180
- 14. Two non adjacent angles formed by two intersecting line
- 17. two non collinear rays with a common endpoint