菱形与四边形几何构造

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Circle(B, A) → d
3. Intersect(c, d, 1) → C
4. Circle(C, A) → e
5. Intersect(c, e, 1) → D
6. Segment(D, A) → f
7. Segment(D, C) → g
8. Segment(A, B) → h
9. Segment(C, B) → i
10. Angle(D, A, B) → α
11. Angle(D, C, B) → β
12. Angle(A, B, C) → γ
13. Angle(A, D, C) → δ
14. Slope(h) → m
15. Slope(g) → m_1
16. Slope(f) → m_2
17. Slope(i) → m_3
18. Segment(A, C) → j
19. Segment(B, D) → k
20. Angle(j, k) → ε
21. Angle(k, j) → ζ
22. Angle(k, j) → η
23. Angle(j, k) → θ
24. Intersect(j, k) → E
25. Angle(A, E, B) → ι
26. Angle(B, E, C) → κ
27. Distance(A, E) → distanceAE
28. Distance(B, E) → distanceBE
29. Distance(C, E) → distanceCE
30. Distance(E, D) → distanceED
31. Angle(A, E, D) → λ
32. Angle(B, A, C) → μ
33. Angle(A, B, D) → ν
34. Angle(A, B, D) → ξ
35. Angle(C, B, D) → ο
36. Angle(C, A, B) → ρ
37. Angle(C, A, B) → σ
38. Angle(D, A, C) → τ