Geometry Crossword

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Across
  1. 3. corresponding sides of two triangles are proportional
  2. 6. slope of two lines opposite
  3. 9. when a statement is flipped
  4. 11. shape also a rectangle
  5. 12. c squared = a squared + b squared
  6. 14. shape that has 2 pairs of adjacent sides congruent
  7. 17. proportion between two similar triangles
  8. 19. calculating area of a shape NOT INCLUDING the base
  9. 20. shape whose diagonals bisect opposite angles
  10. 21. type of symmetry where figure rotates 180 degrees and is still the same
  11. 22. angle inside transversal
  12. 24. length across the circle
  13. 25. sum of two angles on a transversal add to 180
  14. 28. amount filled inside 3-D figure
Down
  1. 1. SSS, SAS, ASA, AAS, HL are used to prove that what type of triangles are congruent
  2. 2. type of symmetry where figure folds perfectly in half
  3. 4. transformation also a slide
  4. 5. a 90 degree angle
  5. 6. slope of two lines equal
  6. 7. to tessellate, each _____ must have a sum of 360 degrees
  7. 8. when a statement is flipped and negated
  8. 10. triangle with one 90 degree angle
  9. 12. shape whose interior angles add to 540
  10. 13. transformation also a spin
  11. 15. length around a circle
  12. 16. regular polygon that tessellates
  13. 18. half a diameter
  14. 23. portion of the circumference in a circle
  15. 26. shape whose median joins midpoints of legs and is parallel to bases
  16. 27. transformation also a flip