Geometry Puzzle

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Across
  1. 1. shape having four equal sides and four equal angles
  2. 3. shape with two parallel/two non parallel opposites
  3. 5. shape with parallel opposite sides
  4. 7. adjacent/hypotenuse
  5. 8. angle that is from 0-89°
  6. 10. angle that's 91°+
  7. 11. opposite/adjacent
  8. 12. line or ray that splits an angle in half
  9. 14. two lines that meet in a T shape
  10. 21. shape with four right angles and two pairs of equal sides
  11. 22. shape with six sides
  12. 26. shape with five sides
  13. 27. illuminati shape with no equal sides
  14. 29. 72+18°
Down
  1. 2. shape with four sides
  2. 4. illuminati shape with two equal sides
  3. 5. lines that will never meet
  4. 6. shape with slanting angles
  5. 9. opposite/hypotenuse
  6. 13. shape with eight sides
  7. 15. illuminati shape with equal sides
  8. 16. to find one side of a triangle. a2+b2=c2
  9. 17. two parts of lines that cross
  10. 18. two triangles that have two angles and one side that are congruent
  11. 19. part of a line
  12. 20. illuminati shape with one angle that is 90°
  13. 23. two triangles that have two congruent angles
  14. 24. a place of position
  15. 25. when two lines meet, the point of intersection
  16. 28. shape with no sides