Answer:

1. 68
2. rays
3. position or orientation
4. 2,3,4,5 points is the example.
5. Coplanar
6. segment
7. line
8. it is have no dimential so it is no have points.
9. A is an example.
10. 6
11. obtuse angles
12. rays
13. coplanar
14. acute angle
15. intersect
16. right angle
17. non-collinear
18. not intersect line
19. 3
20. point

II.IDENTIFICATION.

1. Collinear
2. Ray RW
3. point S,A,K
4. Non-coplanar
5. Non-coplanar
6. Segment or rays
7. False

III.Answer the problem.

105°