Across
- 3. an endless flat surface
- 6. an angle that opens less than ninety degrees
- 7. a straight path of points that goes on and on in the opposite directions
- 9. an angle that opens more than ninety degrees
- 10. an exact location in space
- 11. an angle that opens 180 degrees
- 12. part of a line with two end points
- 13. an angle that forms a square corner
Down
- 1. lines that pass through the same point
- 2. triangle with 2 sides the same length
- 4. triangle with all sides are the same length and all angles are the same degree
- 5. lines that intersect and form right angles
- 8. lines that never intersect
- 13. part of a line that has one end point and continues on forever in one direction