Across
- 3. An angle that measures exactly 90
- 9. Switching and negating the hypothesis and conclusion
- 13. Two or more lines that lie in the same plane and never intersect
- 14. Two angles that have the same vertex, share a side, and do not overlap
- 18. Two lines intersecting to form four right angles
- 19. Points that do not lie on the same line
- 20. A statement that is proven true using postulates, definitions, and previously proven theorems
- 25. segment at a right angle
- 27. An “educated guess” that is based on examples in a pattern
- 28. Points and/or lines that are not within the same plane
- 30. When two geometric figures have the same shape and size
- 32. A point at the end of a line
- 34. on the interior
- 36. Angles that measure between 0 and less than 90
- 37. A line with two endpoints
- 40. Two angles that add up to 90
- 41. The study of reasoning
- 42. Two rays with the same endpoint
- 47. ray that divides an angle into two congruent angles
- 48. Infinitely many points that extend forever in both directions
- 49. An angle that measures exactly 180
- 50. A statement with a hypothesis followed by a conclusion
- 51. The second, or “then,” part of a conditional statement
- 52. Switching the hypothesis and conclusion
- 53. A point or line where lines, planes, segments or rays crosses
- 54. To determine how far apart two geometric objects are
- 55. Making conclusions based upon examples and patterns
Down
- 1. Two angles that are on the same side of the transversal and in similar positions
- 2. Basic rules of geometry
- 4. A line that intersects two other lines
- 5. The set of all points expanding in three dimensions
- 6. Points that lie on the same line
- 7. Drawing conclusion from facts
- 8. A line with one endpoint and extends forever in the other direction
- 10. Two angles that are on the exterior, but also on opposite sides of the transversal
- 11. The two rays that form an angle
- 12. Two angles that add up to 180
- 15. Points and/or lines within the same plane
- 16. Two non-adjacent angles formed by intersecting lines
- 17. When the original statement and converse are both true
- 21. A point on a line segment that divides it into two congruent segments
- 22. Two angles that are on the same side of the transversal
- 23. Two angles that are on the interior, but on opposite sides of the transversal
- 24. Negating the hypothesis and conclusion
- 26. line, ray or segment that passes through the midpoint of another segment and intersects
- 29. The common endpoint of the two rays that form an angle
- 31. Two angles that are adjacent and the non-common sides form a straight line
- 33. Cuts a line segment into two congruent parts and passes through the midpoint
- 35. The length between two points
- 38. Lines that are in different planes and never intersect
- 39. Angles that measure more than 90 and less than 180
- 43. The first, or “if,” part of a conditional statement
- 44. An example that disproves a conjecture
- 45. An exact location in space.
- 46. Infinitely many intersecting lines that extend forever in all directions