Geometry Crossword Puzzle

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Across
  1. 1. a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
  2. 3. two non-collinear rays with a common endpoint
  3. 5. is a six-sided polygon
  4. 8. lines that meet at a 90
  5. 10. The line that divides something into two equal parts
  6. 15. is the distance around the circle. It is the circle's perimeter.
  7. 16. is the length of a line segment from its center to its perimeter.
  8. 18. the sum of two angle whose measure is 180
  9. 21. two or more lines that meet or cross at a point
  10. 23. flat shape with all points the same distance from its center.
  11. 28. points that lie on the same plane
  12. 30. is a five-sided polygon
  13. 31. two endpoints and all the points in between them
  14. 32. points on the same line
  15. 34. ten-sided figure
  16. 36. is a line with a single endpoint (or point of origin) that extends infinitely in one direction.
  17. 37. The total area of the surface of a three-dimensional object, measured in square units.
  18. 40. four parts of a coordinate plane
  19. 41. the set of all points collinear to two points
  20. 43. The amount of space inside the boundary of a flat (2-dimensional) object.
  21. 45. any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.
  22. 46. is a eight-sided polygon
Down
  1. 1. A precise location or place on a plane. Usually represented by a dot.
  2. 2. as the set of all points equidistant from a single point in space.
  3. 4. the sum of two angle use measure is 90
  4. 6. the middle point of the line segment
  5. 7. a polygon with four edges (or sides) and four vertices or corners.
  6. 9. The distance around a two-dimensional shape.
  7. 11. an angle whose measure is greater than 90 and less than 180
  8. 12. Two non-adjacent angles formed by two intersecting line
  9. 13. point where the x-axis and y-axis meet in a coordinate grid
  10. 14. a plane figure with at least three straight sides and angles.
  11. 17. one shape becomes exactly like another when you move it in some way: turn, flip or slide
  12. 19. quadrilateral with two pairs of parallel sides
  13. 20. is a nine-sided polygon
  14. 22. angle formed by opposite rays
  15. 24. is a seven-sided polygon
  16. 25. is a flat (planar) surface that forms part of the boundary of a solid object;
  17. 26. a flat figure with no thickness that extends indefinitely in all directions
  18. 27. is the measure of the amount of space inside of a solid figure, it is measured in cubic units.
  19. 29. geometric elements of equal measure
  20. 33. angle whose measure is less than 90
  21. 35. coplanar lines that do not intersect or two lines that are always the same distance apart and never touch
  22. 38. two angles with a common side but no common interior points
  23. 39. 3-dimensional figure
  24. 42. point in common of two rays that form an angle
  25. 44. a line segment where two faces meet.