直角三角形求解器：形成性评估工具

GeoGebra 命令及参数

1. Rotate(B, α, A) → B'
2. Ray(A, B') → g
3. Intersect(f, g) → C
4. Angle(B, A, B') → β
5. Intersect(g, k) → D
6. OrthogonalLine(D, k) → l
7. Intersect(l, xAxis) → E
8. Polygon(A, B, C) → t1, c_1, a_1, b_1
9. Segment(A, B) → m
10. Segment(B, C) → n
11. Segment(C, A) → p
12. Angle(t1) → γ, δ, ε
13. Polygon(A, E, D) → t2, d_1, a_2, e_1
14. Segment(E, D) → q
15. Segment(E, A) → r
16. Segment(A, D) → s
17. Angle(t2) → ζ, η, θ
18. Circle(A, a) → t
19. Intersect(t, g, 1) → F
20. OrthogonalLine(F, xAxis) → f_1
21. Intersect(f_1, xAxis) → G
22. Polygon(A, G, F) → t3, f_2, a_3, g_1
23. Segment(A, F) → h_1
24. Segment(F, G) → i_1
25. Segment(G, A) → j_1
26. Angle(t3) → ι, κ, λ
27. OrthogonalLine(B, xAxis) → k_1
28. Circle(B, sqrt(u^(2) - a^(2))) → p_1
29. Intersect(p_1, k_1, 2) → H
30. Segment(A, H) → l_1
31. Polygon(A, B, H) → t4, h_2, a_4, b_2
32. Segment(B, H) → m_1
33. Angle(t4) → μ, ν, ξ
34. Circle(A, u) → q_1
35. Intersect(q_1, n_1, 2) → I
36. OrthogonalLine(I, n_1) → r_1
37. Intersect(r_1, xAxis) → J
38. Polygon(A, J, I) → t5, i_2, a_5, j_2
39. Segment(A, J) → s_1
40. Segment(J, I) → t_1
41. Segment(I, A) → g_2
42. Angle(t5) → ο, ρ, σ
43. Polygon(A, B, K) → t6, k_2, a_6, b_3
44. Angle(t6) → τ, υ, ϕ
45. Segment(B, K) → l_2
46. Segment(K, A) → m_2
47. Textfield(a) → InputBox1
48. Textfield(α) → InputBox2
49. Textfield(u) → InputBox3
50. Textfield(u) → InputBox4
51. Textfield(a) → InputBox5