Module 6 Vocab

1. Lines that meet at 90 degree angles
4. Angles whose sum equal 90 degrees
6. A triangle with two equal sides, and two equal base angles
7. The side of a triangle between two angles
8. Lines that share the same slope and will never intersect
9. Where the bisectors of the triangle's sides meet
14. What you always start with in a proof
15. The point of concurrency of the medians of a triangle
16. Lines that do not intersect and are not coplanar
17. To cut something into two equal halves
18. The shape that you start with before a transformation is performed
19. A triangle with all equal sides, and all equal angles
21. The point halfway between the endpoints of the segment
22. A segment from a vertex of the triangle to the line containing the opposite side

2. Parts of two congruent triangles that are congruent to each other
3. Where the angle bisectors of a triangle meet
5. The point of intersection of concurrent lines
7. An interior formed by two adjacent sides of a triangle
10. A transformation that does NOT change shape or size
11. A line segment with endpoints that are a vertex of the triangle and the midpoint of the side opposite the vertex
12. Same Size, Same Shape
13. A polygon that has all equal sides and all equal angles
15. Where three or more lines intersect at a common point
16. Angles whose sum equal 180 degrees
20. The shape that is a result of a transformation