矩形性质与几何作图 by kjmillikan

GeoGebra 命令及参数

1. Segment(A, B) → a
2. OrthogonalLine(B, a) → b
3. OrthogonalLine(A, a) → c
4. Point(c) → C
5. OrthogonalLine(C, c) → d
6. Intersect(d, b) → D
7. Segment(A, C) → e
8. Segment(C, D) → f
9. Segment(D, B) → g
10. Segment(A, D) → h
11. Segment(B, C) → i
12. Intersect(h, i) → E
13. Angle(B, A, C) → α
14. Angle(D, B, A) → β
15. Angle(C, D, B) → γ
16. Angle(A, C, D) → δ
17. Distance(A, C) → distanceAC
18. Distance(A, B) → distanceAB
19. Distance(B, D) → distanceBD
20. Distance(D, C) → distanceDC
21. Distance(E, A) → distanceEA
22. Distance(C, E) → distanceCE
23. Distance(E, D) → distanceED
24. Distance(E, B) → distanceEB
25. Distance(A, D) → distanceAD
26. Distance(C, B) → distanceCB
27. Angle(D, A, C) → ε
28. Angle(B, A, D) → ζ
29. Angle(C, B, A) → η
30. Angle(D, B, C) → θ
31. Angle(A, D, B) → ι
32. Angle(C, D, A) → κ
33. Angle(B, C, D) → λ
34. Angle(A, C, B) → μ
35. Angle(C, E, A) → ν
36. Angle(B, E, D) → ξ
37. Angle(D, E, C) → ο
38. Angle(A, E, B) → ρ
39. Slope(e) → m_1
40. Segment(B, D) → p
41. Slope(p) → m_4
42. Segment(B, A) → q
43. Segment(D, C) → r
44. Slope(q) → m_2
45. Slope(r) → m_3