菱形的角平分线

GeoGebra 命令及参数

1. Line(A, B) → a
2. Line(C, a) → b
3. Line(A, C) → c
4. Line(B, c) → d
5. Intersect(b, d) → D
6. Segment(A, C) → e
7. Segment(A, B) → f
8. Segment(B, D) → g
9. Segment(C, D) → h
10. Polygon(A, C, D, B) → poly1, a_1, c_1, d_1, b_1
11. Distance(A, C) → distanceAC
12. Distance(C, D) → distanceCD
13. Distance(D, B) → distanceDB
14. Distance(B, A) → distanceBA
15. Angle(B, A, C) → α
16. Angle(A, C, D) → β
17. Angle(C, D, B) → γ
18. Angle(D, B, A) → δ
19. Segment(C, B) → i
20. Segment(A, D) → j
21. Intersect(i, j) → E
22. Distance(A, E) → distanceAE
23. Distance(E, D) → distanceED
24. Distance(E, B) → distanceEB
25. Distance(C, E) → distanceCE
26. Angle(C, E, A) → ε
27. Angle(B, E, D) → ζ
28. Angle(A, E, B) → η
29. Angle(D, E, C) → θ
30. Angle(E, A, C) → ι
31. Angle(B, A, E) → κ
32. Angle(A, C, E) → λ
33. Angle(E, C, D) → μ
34. Angle(C, D, E) → ν
35. Angle(E, D, B) → ξ
36. Angle(D, B, E) → ο
37. Angle(E, B, A) → ρ