Angles, Polygons and Transformations

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Across
  1. 4. A regular quadrilateral
  2. 5. An angle between 90 and 180 degrees
  3. 8. lines that are on the same angle (and never meet)
  4. 9. A polygon with four sides (and angles adding to 360 degrees)
  5. 13. A triangle with all sides different
  6. 14. A polygon with 8 sides
  7. 15. An angle between 180 and 360 degrees
  8. 17. A 'flip' transformation
  9. 19. when one corner of a polygon points inward
  10. 20. A 360 degree angle
  11. 22. A 'slide' or 'shift' transformation
  12. 23. A triangle with two sides (and two angles) the same
  13. 24. A polygon with 5 sides
  14. 25. A 'spin' or 'turn' transformation
Down
  1. 1. A triangle with all sides equal
  2. 2. When all sides and angles of a polygon are the same
  3. 3. Angles that add to 180 degrees
  4. 6. A polygon with three sides (and angles adding to 180 degrees)
  5. 7. A polygon with 6 sides
  6. 10. A quadrilateral with only one pair of parallel sides
  7. 11. Not regular
  8. 12. An angle less than 90 degrees
  9. 13. A 180 degree angle
  10. 16. Angles that add to 90 degrees
  11. 18. A polygon with 9 sides
  12. 20. A 90 degree angle
  13. 21. when all corners of the polygon point outward