立体几何图形演示

GeoGebra 命令及参数

1. Point(Circle[A, abs(a)]) → B
2. Segment(A, B) → b
3. Point(Circle[C, abs(a)]) → D
4. Segment(C, D) → c
5. Rotate(B, α, A) → B'
6. Angle(B, A, B') → γ
7. Rotate(A, (-β), B) → A'
8. Angle(A', B, A) → δ_1
9. Rotate(D, α, C) → D'
10. Angle(D, C, D') → ε
11. Rotate(C, (-β), D) → C'
12. Angle(C', D, C) → ζ
13. Ray(A, B') → d
14. Ray(B, A') → e
15. Intersect(d, e) → E
16. Ray(C, D') → f
17. Ray(D, C') → g
18. Intersect(f, g) → F
19. Segment(A, E) → h
20. Segment(E, B) → i
21. Segment(C, F) → j
22. Segment(F, D) → k
23. Point(Circle[G, abs(l)]) → H
24. Segment(G, H) → n
25. Rotate(G, (-δ), H) → G'
26. Angle(G', H, G) → η
27. Ray(H, G') → p
28. Circle(G, m) → q
29. Intersect(q, p, 1) → I
30. Segment(I, G) → r
31. Segment(I, H) → s
32. Point(Circle[J, abs(l)]) → K
33. Segment(J, K) → t
34. Rotate(J, (-δ), K) → J'
35. Angle(J', K, J) → θ
36. Ray(K, J') → a_1
37. Circle(J, m) → d_1
38. Intersect(d_1, a_1, 1) → L
39. Segment(J, L) → e_1
40. Segment(L, K) → f_1
41. Intersect(d_1, a_1, 2) → M
42. Segment(J, M) → g_1