Across
- 1. an exact position or location on a plane surface
- 3. sides lie in opposite directions
- 5. When two or more lines cross
- 10. sticks that indicate measurement
- 11. measurement of a plane angle
- 12. an angle of 90°
- 13. Lines that are at right angles (90°)
Down
- 1. lines that do not intersect
- 2. each angular point of a polygon
- 4. is the middle point of a line segment
- 6. a vector from a point to a point . Half infinite
- 7. an instrument for measuring angles
- 8. line that is bounded by two distinct end points
- 9. the figure formed by two rays
- 14. a flat, two-dimensional surface
- 15. an interval between two points