Across
- 3. A statement used to end something
- 5. A proposed explanation
- 7. Intersecting a system of lines
- 10. Same truth value for all possible combinations of truth
- 11. If P, Then Q
- 14. The sum of two or more addends is the same sum if distributed further along with more number
- 15. A surface that lays out points
- 16. if P leads to Q and P is true, then Q must be true
- 19. If p equals q and if q equals r, then p equals r
- 20. vertical angles Sum of 180
- 22. A number is always equal to itself
- 27. Lines that never intersect
- 28. A point where edges, or ends of lines meet
- 29. Statement made on missing information supplementary angles That make a straight angle when together
- 30. if and only if same equal measures
- 32. Using not and if not q-> then not p
- 33. common endpoint extending into opposite directions
- 34. A statement accepted without a proof inductive reasoning a method of drawing conclusions by going from specific to general
- 35. pair of adjacent angles formed when two lines intersect
Down
- 1. A bar with one accurately straight edge
- 2. The point that is at the same distance from two points A(x1,y1)and B(x2,y2)
- 4. Add up to 90 degrees
- 6. Bisector a line that splits an angle into two angles
- 8. if the two angles are congruent, then the sides opposite the two angles are also congruent
- 9. for all real numbers x and y , if x=y , then y=x
- 12. The conditional with the word not included
- 13. one value can replace another value in an expression or equation and the value will remain the same
- 17. Used to determine the placement of a point
- 18. An instrument used for measuring angles
- 21. A dot used to show a location
- 23. That lie in a straight line counterexample An example that counters going against the statement
- 24. a statement that could be showed by examples
- 25. Has a point on one end and one side with no endpoint
- 26. Something that goes on forever
- 31. the opposite of a given matematical statement