Geometry.....So far....

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Across
  1. 3. no congruent sides
  2. 4. a quadrilateral with opposite sides equal
  3. 6. sum is 180 degrees
  4. 7. 9-sided polygon
  5. 10. a turn
  6. 12. forms 90 degree angles
  7. 14. greater than 90
  8. 16. less than 90
  9. 17. another name for height
  10. 18. best teacher ever
  11. 20. only one set parallel sides
  12. 21. something over something
  13. 22. same as equals
Down
  1. 1. a slide
  2. 2. something that has been proven
  3. 4. 5-sided polygon
  4. 5. 2 congruent sides
  5. 8. opposite each other and congruent
  6. 9. share congruent angles
  7. 10. does not change size
  8. 11. a quadrilateral with 4 congruent sides
  9. 13. changes size preserves angles
  10. 15. cuts into equal halves
  11. 19. side opposite the right angle