SSA模糊情况动态演示器

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Rotate(B, α_1, A) → B'
3. Angle(B, A, B') → α
4. Ray(A, B') → g
5. Circle(A, b_1) → c
6. Intersect(c, g, 1) → C
7. Ray(A, B) → h
8. Segment(A, C) → b
9. Circle(C, a) → d
10. Point(d) → D
11. Intersect(d, h) → E, F
12. Polygon(A, F, C) → t1, c_1, a_1, f_1
13. Segment(C, G) → i
14. Angle(F, C, G) → γ
15. Angle(E, C, G) → δ
16. Rotate(C, If[0 < e ≤ 1, ((-e) * γ), (-γ)], C) → C'
17. Rotate(G, If[0 < e ≤ 1, ((-e) * γ), (-γ)], C) → G'
18. Segment(C', G') → i'
19. Rotate(C', If[2 < e ≤ 3, ((-(e - 2)) * (δ - γ)), (-(δ - γ))], C) → C''
20. Rotate(G', If[2 < e ≤ 3, ((-(e - 2)) * (δ - γ)), (-(δ - γ))], C) → G''
21. Segment(C'', G'') → i''
22. Polygon(A, E, C) → t2, c_2, a_2, e_1
23. Distance(C, h) → j
24. Rotate(G, If[0 < e ≤ 1, ((-e) * π / 2), ((-π)) / 2], C) → G'_1
25. Segment(C, G'_1) → k
26. Angle(C, F, A) → ε
27. Angle(A, C, F) → ζ
28. Angle(C, E, A) → η
29. Angle(A, C, E) → θ
30. Segment(A, F) → l
31. Segment(A, E) → m
32. Textfield(α_1) → InputBox1
33. Textfield(b_1) → InputBox2
34. Textfield(a) → InputBox3