Geometry crossword puzzle

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Across
  1. 4. / a set of points that never lie on the same line
  2. 5. / the sum of a square
  3. 8. / equal to
  4. 10. / less than 90 degrees
  5. 12. / multiply numbers by eachother
  6. 14. / angle that forms when two radii meet at the center
  7. 16. / a plane on the line in a circle
  8. 17. / two angles formed by the circumference of a circle
  9. 19. / the endpoints are the diameter
  10. 21. a 3 dimensional square and 2 circles
  11. 25. / main part of shape
  12. 26. / a 3 dimensional triangle with a circle at the bottom
  13. 29. / a line that splits two rays
  14. 33. / all the sides multiplied up
  15. 34. / a line that intersects a circle
  16. 35. / two lines that intersect
  17. 36. / two or more circles in a plane
  18. 37. / the two endpoints are less than 180 degrees
  19. 38. / two angels that add up to 180 degrees
  20. 39. / non adjacent angles
  21. 41. / all the sides added up
  22. 43. / 8 sides and 8 angles
  23. 44. / a 3 dimensional diamond
  24. 46. / a segment in the midpoint of a triangle
  25. 47. / a 3 dimensional sqauare
  26. 48. / 5 sided shape
Down
  1. 1. / a line with a single endpoint
  2. 2. / two angles that add up to 90 degrees
  3. 3. / center of
  4. 6. / equal to 90 degrees
  5. 7. / 3 or more coplanar segments
  6. 9. / angle larger than 180 degrees
  7. 11. / a rounded shape
  8. 13. / two equal straight lines
  9. 15. / a line that goes around a circle
  10. 18. / 3 sided shape
  11. 19. / amount of space that covers the whole shape
  12. 20. / two coplanar angles
  13. 22. / an equation that two ratios are equal
  14. 23. / divide into two parts
  15. 24. / two with all its sides congruent
  16. 27. / diagonal from eachother
  17. 28. / 4 sided shape
  18. 30. / segments that endpoints are in the center of a circle
  19. 31. / consists of two points in a circle
  20. 32. / a triangle with two sides congruent
  21. 35. / both sides are oppisite
  22. 40. / connect two points in a circle
  23. 42. / two endpoints that are larger than 180 degrees
  24. 45. / 3 dimensional object