geometry crossword puzzle

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Across
  1. 1. Surface planes of three-dimensional shapes.
  2. 4. A closed figure with seven sides.
  3. 6. a plane-like quality.
  4. 8. A closed figure with five sides.
  5. 11. be at an angle
  6. 12. A specific position on a line, plane, or in space.
  7. 13. a triangle whose interior angles are all acute
  8. 17. nearly parallel lines of electromagnetic radiation
  9. 18. A two-dimensional shape in which all points on the curved line are equidistant from a center point.
  10. 19. relation with respect to comparative quantity or magnitude
  11. 22. the quality of being alike
  12. 23. Two lines in a two-dimensional space that do not meet
  13. 27. A round body whose surface is at all points equidistant from the center.
  14. 28. written on or in a surface
  15. 30. Having curvy or undulating attributes
  16. 31. the property created by the space between two objects
  17. 35. The meeting of two faces on a three-dimensional shape.
  18. 36. lying in the same plane
  19. 37. A solid or hollow object that tapers from a circular or roughly circular base to a point.
  20. 38. Words and phrases that describe the location
  21. 39. three-dimensional figure on which the faces are triangular and converge to a single point at the top
  22. 40. a particular aspect of life or activity
  23. 42. in or near an inner area
  24. 44. three-dimensional figure with identical ends
  25. 47. relation with respect to comparative quantity or magnitude
  26. 48. a point equidistant from the ends of a line or the extremities of a figure
  27. 49. special type of rectangle that has equilateral (same length) sides
  28. 51. determine the dimensions of something
  29. 52. A closed figure with three sides.
  30. 53. an angle less than 90 degrees but more than 0 degrees
  31. 54. a closed plane figure bounded by straight sides
  32. 55. a combination of three or more notes that blend harmoniously
Down
  1. 2. being essentially comparable to something
  2. 3. A two-dimensional, closed, four-sided figure with four right angles.
  3. 5. A closed figure with eight sides.
  4. 7. two sides of a two-dimensional figure
  5. 9. A flat two-dimensional surface
  6. 10. the length of a straight line through the center of a circle
  7. 14. the length of the closed curve of a circle
  8. 15. a continuous portion of a circle
  9. 16. Sides that are the same length.
  10. 20. An informal word to describe angles of objects.
  11. 21. Line segments in geometric figures that compose the exterior of the object.
  12. 24. extending toward the middle
  13. 25. an area that is in the middle of some larger region
  14. 26. A closed figure with six sides.
  15. 29. A three-dimensional figure with identical equilateral squares as faces
  16. 32. Identical in size and shape.
  17. 33. Two lines that meet to make a corner.
  18. 34. ratio of the adjacent side to the hypotenuse of a right-angled triangle
  19. 41. a surface generated by rotating a line around a fixed line
  20. 43. A closed four-sided figure with parallel opposite sides.
  21. 45. Without a curve.
  22. 46. large, medium, less than and greater than
  23. 50. a line enclosing a plane area