方位角NEWS组件演示

GeoGebra 命令及参数

1. Random(10, 350) → c
2. Random(10, 80) → d
3. Random(1, 2) → n3a
4. Random(1, 2) → n3b
5. If(n3a ≟ 1, "N", "S") → text7
6. If(n3b ≟ 1, "E", "W") → text8
7. Intersect(xAxis, yAxis) → A
8. Circle(A, B) → e
9. Rotate((0, x(B)), ((-b) * π / 180), A) → C
10. Angle(C, A, D) → α
11. Ray(A, C) → f
12. Ray(A, D) → g
13. Rotate(B, (b * π / 180), A) → B'
14. Ray(A, B') → h
15. Angle(B, A, B') → β
16. Segment(A, B) → i
17. Ray(A, B) → j
18. Random(0, 10) → a
19. Ray(A, D) → l
20. Mirror(D, A) → D'
21. Ray(A, D') → m
22. Mirror(B, A) → B'_{1}
23. Ray(A, B'_{1}) → n
24. Rotate(D, ((-o) * π / 180), A) → D'_{1}
25. Mirror(D'_{1}, yAxis) → E
26. Mirror(D'_{1}, xAxis) → F
27. Mirror(F, yAxis) → F'
28. Angle(D'_{1}, A, D) → γ
29. Angle(D, A, E) → δ
30. Angle(D', A, F) → ε
31. Angle(F', A, D') → ζ
32. Ray(A, D'_{1}) → p
33. Ray(A, E) → q
34. Ray(A, F') → r
35. Ray(A, F) → s
36. Segment(A, D'_{1}) → t
37. Segment(A, F) → f_1
38. Segment(A, F') → g_1
39. Segment(A, E) → h_1
40. Segment(A, B') → i_1
41. Segment(A, C) → j_1
42. OrthogonalLine(C, p_1) → k_1
43. OrthogonalLine(C, eq1) → l_1
44. Intersect(eq1, l_1) → G
45. Intersect(k_1, p_1) → H
46. Polygon(A, H, C) → t1, c_1, a_1, h_2
47. Angle(C, H, A) → η
48. Segment(A, H) → m_1
49. Segment(H, C) → n_1
50. Textfield(w) → InputBox1