Across
- 2. lines that meet and cross at right angles
- 4. a flat surface that is infinitely large with zero thickness
- 5. The point where three perpendicular bisectors of the sides of a triangle meet
- 6. A line that cuts an angle into two equal parts
- 9. The new position of a figure after a transformation
- 10. The halfway point of a line segment
- 11. Two angles that add up to 90 degrees
- 12. lines on the same plane which are the same distance apart over the entire length
- 13. The points at which a line segment or ray ends
- 14. A circle which is drawn inside another shape
- 15. A circle which is drawn around another shape
- 17. A line that is bounded by two distinct end points
- 18. A transformation that does not alter the size or shape of a figure
- 22. a line that starts at a given point and goes off forever in some direction
- 23. A transformation where each point in a shape appears at equal distance on the opposite side of a given line
- 24. a precise location or place on a plane
- 25. The original position of a figure before a transformation
Down
- 1. Two angles that add up to 180 degrees
- 3. an object that is straight, infinitely long and infinitely thin
- 4. A line which cuts another line segment into two equal parts at exactly 90 degrees
- 5. lying in the same plane
- 7. points lying on a single line
- 8. A line which cuts another line segment into two equal parts
- 16. Two angles that are adjacent and supplementary
- 19. The point where angle bisectors meet in a triangle or polygon
- 20. Moving a figure to a new location with no other changes
- 21. A transformation where a figure is turned about a given point