geometry

4. q ----- p
7. rigid transformation
8. a line that intersects two coplanar lines at distinct points, usually parallel
11. a point where two rays begin or meet, where two line segments join or meet.
12. nQ -------- nP
17. altering a statement by writing the negative of the statement.
18. a pair of adjacent angles (180) degrees whose non common side are opposite rays.
20. 2 + 5 = 7 7 = 2 + 5

1. an unproven statement that is based on an observation.
2. is a point that divides a segment into two congruent segments.
3. a ray that divides an angle into two congruent coplanar angles.
4. two angles whose sum is 90 degrees.
5. are two non-adjacent angles formed by intersecting lines.
6. If a = b and b = c, then a = c
9. ab = ab
10. Next to
12. alternate interior/exterior angles, and corresponding angles are?
13. when a line meets or crosses another line at 90 degrees.
14. two angles whose measure has a sum of 180 degrees.
15. educated guess
16. an angle formed by the perpendicular intersection of two straight lines.
19. corresponding parts of congruent triangles are congruent