Omgee lol =)) Did you even bother to read your Geometry book? I guess not. cause' you'll find all of your answers there

But I'll give it a try

1. Geometry (if you still don't know this.. oh well)

2. Plane geometry

3. father of Geometry is Thales. Most of the people on the internet says it's Euclid. But the truth is, Euclid is only a student of Thales and Thales if the real father of Geometry

4. Points??

5. Lines

6. I think it's plane

7. Collinear Points

8. Coplanar

9. Ray

10. ANGLE.

11. Revolution (because revolution is exactly 360)

12. Adjacent Angle

13. Theorem if I'm not mistaken

14. Not sure with this one too. But is this postulate?

15.-.- protractor.

16. Complementary angles

17. Supplementary angles

18. I don't know with this one XD sorry

19. Parallel

20. Uhm, I am not sure with my answer here too. Perpendicular?

21. Polygon

22. Triangle

23. Scalene Triangle

24. Parallelogram

25. Altitude