Language of Geometry

1. The part of the if-then statement that follows then
6. The point of intersection of the medians of a triangle
7. closed plane figure with at least three sides
8. A triangle that has no congruent sides
9. Formed by two rays with the same endpoint
10. The point of currency of the perpendicular bisectors of a triangle
12. The set of all points
13. The side opposite of the right angle on a right triangle
17. When three or more lines intersect in one point
18. A conjecture that can be proven
20. Points that lie on the same line
21. The perpendicular segment from a vertex to the line containing the opposite side.
22. Convincing argument that uses deductive reasoning
23. A part of a line consisting of two points

2. A series of points that extend in two directions without end
3. The point of intersection of the lines containing the altitudes of the triangle
4. Flat surface; has no thickness
5. Figures in the same plane
9. Two coplanar angles that have a common side and a common vertex but no common interior points
11. A conclusion reached by using inductive reasoning
14. The point of currency of the angle bisectors of the triangle
15. An instrument used to measure angles
16. Points of a polygon that are outside of the polygon
19. Polygon with three sides
22. A location; has no size