菱形的几何作图 by bodehm.wicklund

GeoGebra 命令及参数

1. Circle(A, 3) → c
2. Point(c) → B
3. Segment(A, B) → a
4. Point(c) → D
5. Segment(A, D) → b
6. Segment(B, D) → d
7. Mirror(A, d) → C
8. Mirror(B, d) → B'
9. Segment(C, B') → a'
10. Mirror(A, d) → A'_1
11. Mirror(D, d) → C'
12. Segment(A'_1, C') → b'
13. Angle(A, B, C) → α
14. Angle(C, D, A) → β
15. Angle(B, C, D) → γ
16. Angle(D, A, B) → δ
17. Segment(A, C) → e
18. Intersect(d, e) → E
19. Distance(B, E) → distanceBE
20. Distance(D, E) → distanceDE
21. Distance(A, E) → distanceAE
22. Distance(C, E) → distanceCE
23. Angle(E, A, B) → ε
24. Angle(B, E, A) → ζ
25. Angle(A, B, E) → η
26. Angle(C, E, B) → θ
27. Angle(B, C, E) → ι
28. Angle(E, C, D) → κ
29. Angle(C, D, E) → λ
30. Angle(E, D, A) → μ
31. Angle(D, E, C) → ν
32. Angle(A, E, D) → ξ