中位数线与变换的 GeoGebra 演示

GeoGebra 命令及参数

1. Line(A, B) → a
2. Line(C, a) → b
3. Point(b) → D
4. Segment(C, D) → c
5. Segment(C, B) → d
6. Segment(B, A) → e
7. Segment(A, D) → f
8. Intersect(d, f) → E
9. Angle(A, E, B) → α
10. Angle(D, E, C) → β
11. Angle(E, C, D) → γ
12. Angle(C, D, E) → δ
13. Angle(B, A, E) → ε
14. Angle(E, B, A) → ζ
15. Segment(C, E) → g
16. Segment(D, E) → h
17. Segment(E, A) → i
18. Segment(E, B) → j
19. Midpoint(c) → F
20. Midpoint(e) → G
21. Segment(E, F) → k
22. Segment(E, G) → l
23. Segment(C, F) → m
24. Segment(D, F) → n
25. Segment(A, G) → p
26. Segment(G, B) → q