Geometry Vocab Unit 1

5. point that cuts a segment into two equal parts
13. two angles whose sum is 90 degrees
14. two or more points that lie on the same line
15. statement in the form if q then p
16. angle with a measure of 90 degrees
17. two lines whose slopes are opposite recipricals. Form 90 degree angles at intersection
19. statement in the form if p then q
24. two angles on the same side of the transversal, both inside the parallel lines
27. created by two rays that share a vertex
28. two angles in the same location with parallel lines cut by a transversal
29. point where the line crosses the y axis ( 0, #)
30. angle with a measure of 180 degrees
31. angle with a measure that is greater than 90 but less then 180 degrees

1. y2 - y1 / x2 - x1
2. point where the line crosses the x axis ( #, 0)
3. equation in the form y - y1 = m (x - x1)
4. statement in the form p if and only if q
6. two angles on opposite sides of the transversal, both outside the parallel lines
7. two angles on opposite sides of the transversal, both inside the parallel lines
8. two lines that dont intersect and have the same slope
9. angle with a measure that is less then 90 degrees
10. statement in the form if not p then not q
11. two nonadjacent angles created when two lines cross. They are congruent
12. statement in the form if not q then not p
18. two angles whose sum is 180 degrees
20. to cut into two congruent parts
21. slope intercept form of an equation
22. next to
23. to be equal in measure or length
25. slope of a vertical line with equation x = #
26. slope of a horizontal line with equation y = #
28. two or more points that lie on the same plane