平行四边形测量

GeoGebra 命令及参数

1. Line(l, A) → a
2. Line(C, a) → b
3. Point(b) → B
4. Line(A, B) → c
5. Line(C, c) → d
6. Intersect(a, d) → D
7. Polygon(D, A, B, C) → poly1, e, b_1, d_1, c_1
8. Angle(D, A, B) → α
9. Angle(A, B, C) → β
10. Angle(B, C, D) → γ
11. Angle(C, D, A) → δ
12. Distance(A, B) → distanceAB
13. Distance(B, C) → distanceBC
14. Distance(C, D) → distanceCD
15. Distance(D, A) → distanceDA
16. Segment(A, C) → f
17. Segment(B, D) → g
18. Distance(A, C) → distanceAC
19. Distance(D, B) → distanceDB
20. Intersect(f, g) → E
21. Distance(A, E) → distanceAE
22. Distance(E, C) → distanceEC
23. Distance(D, E) → distanceDE
24. Distance(E, B) → distanceEB
25. Angle(A, E, D) → ε
26. Angle(B, E, A) → ζ
27. Angle(C, E, B) → η
28. Angle(D, E, C) → θ
29. Angle(E, A, B) → ι
30. Angle(A, B, E) → κ
31. Angle(E, B, C) → λ
32. Angle(E, C, D) → μ
33. Angle(C, D, E) → ν
34. Angle(E, D, A) → ξ
35. Angle(B, C, E) → ο
36. Angle(D, A, E) → ρ