Across
- 2. a device for measuring segments
- 5. a line or a plane that intersects a segment at a midpoint
- 7. number assigment to a point
- 10. No dimension,usually represented by a small dot
- 13. the set of points that two or more geometric figures have in common
- 14. line segment
- 15. the rays are the of an angle
- 18. triangle a triangle with three acute angles
- 19. Point points that lie on the same line
- 20. triangle a triangle with one obtuse angle
Down
- 1. lines two lines that do not intersect and are not coplanar
- 2. triangle a triangle with one right angle
- 3. the initial point
- 4. two lines that intersect to form a right angle
- 6. point exactly in the middle
- 7. line segments and angles that have the same measurement
- 8. a device for measuring angles
- 9. set of all points
- 11. line line with a one to one corresponderce between points on the line&the real numbers
- 12. a line that intersects two or more coplanar lines at different points
- 16. Part of a line that consists of two points
- 17. Points points that lie on the same plane