Geometry

3. Polygon with three sides
5. Negate the converse of the original statement
8. A Statement that can be proved easily using a theorem
10. A line that a side of the polygon contains a point in the interior of the polygon
12. A triangle with three congruent angles
15. Negate both the hypothesis and the conclusion
16. A rule accepted without proof
18. A polygon with all sides and all angles congruent
19. A closed plane figure that has three or more line segments

1. No line that a side of the polygon contains a point in the interior of the polygon
2. Opposite of the original statement
4. An unproven statement based on observations
6. A line that intersects two or more coplanar lines at different points
7. Exchange of the hypothesis and conclusion of the original statement
9. Part of a line that has an endpoint and all points extend in one direction
11. A polygon that has all sides that are congruent
13. A point that divides or bisects a segment into two congruent segments.
14. A true statement that can be proven
17. Rise over Run of a line
19. A logical argument that shows a statement is true