Geometry Crossword Final

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Across
  1. 2. Points or lines that lie on the same plane
  2. 4. Two rays that share a common endpoint
  3. 5. Two angles whose sum is 90 degrees
  4. 9. A polygon with six sides
  5. 10. The common endpoint of an angle or a corner of a polygon
  6. 13. A polygon with eight sides
  7. 14. A polygon with four sides
  8. 15. A part of a line with one endpoint that extends forever in one direction
  9. 18. A part of a line consisting of two endpoints
  10. 19. Figures that have the same shape but different sizes
  11. 20. Figures that have the same shape and same size
  12. 21. Two lines that intersect to form right angles
  13. 26. A line or ray that divides an angle or segment into two equal parts
  14. 27. A closed plane figure formed by three or more segments
  15. 28. A line that intersects two or more other lines
  16. 31. A statement that has been proven to be true
  17. 33. A polygon with three sides
  18. 35. The distance around the outside of a figure
  19. 37. Interior angles on opposite sides of a transversal
  20. 39. An angle that measures exactly 180 degrees
  21. 40. A flat surface that extends infinitely in all directions
  22. 42. A straight path that extends forever in two directions
  23. 43. Switching the hypothesis and conclusion of a statement
  24. 45. The point that divides a segment into two congruent segments
  25. 46. An angle that measures less than 90 degrees
  26. 48. Two angles whose sum is 180 degrees
  27. 49. Lines in different planes that are not parallel and do not intersect
  28. 50. Points that lie on the same line
Down
  1. 1. Reasoning based on observing patterns
  2. 2. Negating and switching the hypothesis and conclusion
  3. 3. The theorem a squared plus b squared equals c squared
  4. 6. Two adjacent angles that form a straight line
  5. 7. A location in space with no size
  6. 8. Two lines in the same plane that never intersect
  7. 11. Angles in the same relative position at each intersection
  8. 12. A transformation that stretches or shrinks a figure
  9. 16. Two angles that share a common side and vertex
  10. 17. The "then" part of a conditional statement
  11. 22. An angle that measures exactly 90 degrees
  12. 23. The longest side of a right triangle opposite the right angle
  13. 24. The "if" part of a conditional statement
  14. 25. An angle that measures more than 90 but less than 180 degrees
  15. 29. A transformation that flips a figure over a line
  16. 30. A statement accepted as true without proof
  17. 32. Reasoning based on facts, rules, or definitions
  18. 33. A transformation that slides a figure to a new location
  19. 34. A triangle with at least two congruent sides
  20. 36. A triangle with three congruent sides
  21. 38. A transformation that turns a figure about a fixed point
  22. 41. A triangle with no congruent sides
  23. 44. A polygon with five sides
  24. 47. Angles formed by intersecting lines that are opposite each other