Across
- 4. is obtained by negating both the hypothesis and the conclusion of a conditional
- 5. an if-then statement that relates to a hypothesis, the part that follows if, to a conclusion the part that follows then
- 7. two lines that intersect at right angles
- 9. an infinite number of points and lines on a flat surface that extend without end
- 11. an infinite number of points on a straight path that extends in opposite directions with no end
- 12. reverses the hypothesis and the conclusion of a conditional
- 13. having the same measure
- 18. a line that intersects two or more lines at distinct points
- 19. angles that lie on the same side of the transversal and interrelated positions
- 20. a location with no size
- 21. the sum of two angles measure 90°
Down
- 1. the information about the problem that is assumed to be true
- 2. two lines that lie on the same plane and don't intersect
- 3. the sum of two angles measure 180°
- 6. similar to a conjecture and it is something that you think might happen based on what you observe
- 8. what you think might happen or might be true based on what you have observed
- 10. the existence or occurrence of another of another, as "A if and only if B"
- 14. is a statement that has the opposite meaning of the original statement
- 15. a statement that is assumed to be true
- 16. an arrangement of ordering
- 17. an example showing that a statement is false