geometry crossword puzzle

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