Geometry Semester 1 terms

3. two points that lie on the same line
6. Two angles that have a sum of 90 are ____________
7. When you negate the "if" and "then"
8. When two angles and the included side of corresponding triangles are congruent
10. __________ angles are angles that are across from each other and congruent
14. The first reason in nearly every proof
15. If a=b and b=c, then a=c is an example of the _________ property
16. Two Lines that never intersect are ____________
17. A(n) _________ angle measures less than 90 degress
19. An if-then statement
20. Two lines that intersect and form a right angle are _____________.
22. When two sides and the non-included angle of corresponding triangles are congruent
23. The part of the conditional that follows "then"
24. A(n) _________ angle measures greater than 90 but less than 180
25. The part of the conditional that follows "if"
27. Two angles that have a sum of 180 are ___________
28. An ___________ triangle has exactly 2 sides congruent
31. Two lines that are neither parallel or perpendicular are ___________.

1. Where the line crosses the y-axis
2. The _______ of a line is known as rise over run
4. When you flip the "if" and "then"
5. A(n) __________ angle measures exactly 90 degrees
9. If a=b then b=a is an example of the __________ property
11. The equation x=x is an example of the __________ property
12. The point that lies in the middle of two other points
13. An angle __________ is a ray that cuts an angle into two congruent angles
18. When you flip and negate the "if" and "then"
21. An __________ triangle has all congruent sides
26. When two sides and the included angle of corresponding triangles are congruent
29. A(n) __________ angle measures exactly 180 degrees
30. When the side, side, and side of corresponding triangles are congruent
31. The _____ of the 3 angles in a triangle always equals 180.