Across
- 5. a pair of lines that are the same distane apart forver
- 7. a six sided polygon
- 9. an angle that is exactly 90 degrees
- 10. a pair of lines that meet and form 90 degree angles
- 11. a three sided polygon
- 16. a closed figure with at least three straight sides
- 17. a four sided polygon
- 18. an angle less than 90 degrees
- 19. goes in either direction forever
- 21. when a shape is mirrored across a line or axis on a coordinate grid
Down
- 1. a pair of angles that add up to 90 degrees
- 2. a pair of angles that add up to 180 degrees
- 3. a line that starts at a given point and goes in one direction forever
- 4. a seven sided polygon
- 6. turning a figure around a point on a coordinate grid
- 8. sliding a figure right left up or down on the coordinate grid
- 9. an angle that is greater than 180 degrees and less than 360 degrees
- 10. a five sided polygon
- 12. a triangle where all sides and angles are the same
- 13. an angle that is exactly 180 degrees
- 14. a triangle with no sides and no angles the same size
- 15. an angle greater than 90 degrees but less than 180 degrees
- 20. a triangle where two sides and two angles are the same