三维向量与直线构造

GeoGebra 命令及参数

1. Line(A, B) → a
2. OrthogonalLine(B, a) → b
3. OrthogonalLine(A, a) → c
4. Point(b) → C
5. OrthogonalLine(C, c) → d
6. Intersect(c, d) → D
7. Segment(D, C) → e
8. Segment(C, B) → f
9. Segment(B, A) → g
10. Segment(A, D) → h
11. Angle(A, B, C) → α
12. Angle(C, D, A) → β
13. Angle(D, A, B) → γ
14. Angle(B, C, D) → δ
15. Segment(D, E) → i
16. Segment(E, F) → j
17. Segment(F, G) → k
18. Segment(G, H) → l
19. Segment(H, I) → m
20. Segment(I, J) → n
21. Segment(J, K) → p
22. Segment(K, L) → q
23. Segment(L, M) → r
24. Segment(M, C) → s
25. Vector(C, B) → u
26. Translate(D, u) → D'
27. Translate(E, u) → E'
28. Segment(D', E') → i'
29. Translate(E, u) → E'_1
30. Translate(F, u) → F'
31. Segment(E'_1, F') → j'
32. Translate(F, u) → F'_1
33. Translate(G, u) → G'
34. Segment(F'_1, G') → k'
35. Translate(G, u) → G'_1
36. Translate(H, u) → H'
37. Segment(G'_1, H') → l'
38. Translate(H, u) → H'_1
39. Translate(I, u) → I'
40. Segment(H'_1, I') → m'
41. Translate(I, u) → I'_1
42. Translate(J, u) → J'
43. Segment(I'_1, J') → n'
44. Translate(J, u) → J'_1
45. Translate(K, u) → K'
46. Segment(J'_1, K') → p'
47. Translate(K, u) → K'_1
48. Translate(L, u) → L'
49. Segment(K'_1, L') → q'
50. Translate(L, u) → L'_1
51. Translate(M, u) → M'
52. Segment(L'_1, M') → r'
53. Translate(M, u) → M'_1
54. Translate(C, u) → C'
55. Segment(M'_1, C') → s'