Across
- 3. a figure with at least three straight sides and angles, and typically five or more.
- 6. a triangle that has 2 equal sides
- 11. a figure with 5 sides and 5 angles
- 12. a line that crosses 2 other lines in a plane
- 13. a proven statement
- 14. a rule that changes a figure
- 16. an example that shows a conjecture is false
- 17. transformation around a central point that stays fixed and everything else moves around that point in a circle.
- 21. a four-sided plane rectilinear figure with opposite sides parallel.
- 22. mirror image over a defined line
- 24. angles that add up to 90 degrees
- 26. a figure formed by 2 rays sharing a common endpoint
Down
- 1. a figure with 4 equal sides and 4 right angles
- 2. the amount of space that a substance or object occupies, or that is enclosed within a container
- 4. a figure with 8 sides and 8 angles
- 5. a rigid motion that maps a figure onto itself
- 7. angles that add up to 180 degrees
- 8. a transformation that changes the size of the figure
- 9. an educated guess
- 10. a line through a midpoint of a segment
- 15. two interior angles which lie on different parallel lines and on opposite sides of a transversal.
- 18. a figure with 3 sides and 3 angles
- 19. a line with an endpoint that extends infinitely in one direction
- 20. a triangle with no equal sides
- 23. a relationship between two numbers indicating how many times the first number contains the second.
- 25. a value lying at the midpoint of a destribution of values