Across
- 2. : A straight path that extends forever in two directions.
- 3. : Next to; sharing a common side or vertex.
- 7. : An exact location with no size.
- 9. : A logical argument showing a statement is true.
- 11. : A proof format with statements in one column and reasons in another.
- 14. : A characteristic or rule that is always true (in a given context).
- 15. : An example that proves a statement is false.
- 17. : An angle measuring exactly 90 degrees.
- 21. : A flat surface extending infinitely in all directions.
- 23. : A statement believed true based on patterns or observations.
- 24. : The “then” part of an if-then statement.
- 26. : A chord through the center; the longest chord in a circle.
- 30. : Two angles whose measures add to 180 degrees.
- 32. : Two adjacent angles that form a straight line (sum 180).
- 33. : Whether a statement is true or false.
- 35. : A statement accepted without proof.
- 36. : Part of a line with one endpoint extending forever in one direction.
- 38. : The statement “if not p, then not q.”
- 39. : An angle measuring less than 90 degrees.
- 40. : A set of statements that leads to a conclusion.
- 41. : Basic geometry terms not formally defined (point, line, plane).
- 42. : The statement “if not q, then not p.”
- 43. : The “if” part of an if-then statement.
Down
- 1. : A statement written as “p if and only if q.”
- 4. : Using known facts/rules to reach a certain conclusion.
- 5. : An angle measuring 180 degrees.
- 6. : Two angles whose measures add to 90 degrees.
- 8. : A whole number or its opposite (including zero).
- 10. : The statement formed by switching hypothesis and conclusion.
- 12. : An angle between 90 and 180 degrees.
- 13. : Using patterns/examples to form a general rule.
- 16. : A segment with endpoints on a circle.
- 18. : Points that lie on the same line.
- 19. : A statement proven true using definitions, postulates, and logic.
- 20. : All points in a plane the same distance from a center.
- 22. : An if-then statement.
- 25. : A figure formed by two rays with a common endpoint.
- 27. : The point equally distant from all points on a circle.
- 28. : Part of a line with two endpoints.
- 29. : The common endpoint where rays form an angle.
- 31. : A segment from a circle’s center to a point on the circle.
- 34. : Opposite angles formed by intersecting lines; they are congruent.
- 37. : A system of definitions, axioms, and rules used to prove statements.
- 42. : Points that lie in the same plane.