Across
- 2. Transformation that creates similar figures
- 5. A rate which compares some quantity to a single quantity
- 7. Divide by zero
- 10. Lines in the same plane that never intersect
- 14. A number which is less than zero
- 16. Inverse operation of multiplication
- 17. Shifting a figure
- 19. An equation with the same variables and the same constants on both sides has this many solutions
- 20. Figures with the same size and shape
Down
- 1. The three angles in this shape always add up to 180 degrees
- 3. A number which is greater than zero
- 4. Two angles that add up to 180 degrees
- 6. Line which intersects two lines in the same plane
- 8. A value which satisfies an equation
- 9. Any pair of angles in matching corners
- 11. Turning a figure
- 12. Flipping a figure
- 13. Opposite angles that are congruent
- 15. Figures with congruent angles and proportional sides
- 18. Refers to the 'steepness' of a line