Geometry Terms

12. Adding two adjacent angles
13. An assertion that can be proved true by using rules of logic
14. Two angle measures that add up to 90 degrees
15. An argument for a mathermatical statement
17. Two angles situated the same way, just in different objects
18. Two column proofs that include words or symbols and a basis of if it is true or false
19. A corner point of a geometric figure
20. A statement that is known as true without needing proof

1. When two straight lines intersect, they form two sets of linear pairs with congruent angles
2. The two factos that make up a conditional statement
3. Two angles in a plane that share a common vertex and side, but don't overlap
4. Two angle measures that add up to 180 degrees
5. Reasoning from one or more statements that reach a logical conclusion
6. A body of observations that synthesize to come up with general principle
7. If two angles make a linear pair, then the measure of the angles is 180 degrees
8. the halfway point between two given points
9. An "if...then" statement
10. Angles opposite one another at the intersection of two lines
11. Lying on the same line
12. A line or ray that divides and angles in half
16. A geo. figure that passes through or lies on the halfway point of a line segment