Geometry Midterm

3. perpendicular lines form right angles
5. if two angles form a linear pair, then they are supplementary
6. two lines in the same plane that are at equal distance from each other and never meet
7. if angle a is equal to angle b, then angle a is congruent to angle b
8. if two angles are vertical, they are congruent
10. measure of the larger angle is the sum of the measures of the two smaller ones
13. when both the hypothesis and conclusion are negated
14. A statement joining two events together based on a condition in the form of “If something, then something”
20. If a conditional is true and its hypothesis is true, then its conclusion is true
21. (x1 + x2/2 , y1 + y2/2)
25. Switching the hypothesis and conclusion of a conditional statement and negating both
26. if angle a is complementary to angle b, and angle b is complementary to angle c, then angle a is congruent to angle c
27. a line that intersects a system of lines
28. any shape is congruent to itself.
29. a pair angles opposite from eachother
30. if one figure is congruent to another, then the second figure is also congruent to the first

1. d=√((x2-x1)²+(y2-y1)²)
2. if two angles are vertical, then they are congruent
4. sum of two angles equal 90 degrees
9. an angle bisector divides an angle into two equal parts
11. angles that are in the same relative position at an intersection of a transversal and at least two lines
12. perpendicular lines form a right angles
15. the midpoint of a segment seperates it into two equal parts
16. if two angles form a right angle, then they are complimentary.
17. outermost angles on opposite outsides of a transversal
18. two shares shared by a common vertex and side
19. adjacent angles that are supplementary
22. sum of two angles equal 180 degrees
23. if the following two statements are true: Then we can derive a third true statement
24. the result of reversing its two constituent statements