相似矩形（勾股切割）

GeoGebra 命令及参数

1. Segment(A, B) → a
2. OrthogonalLine(A, a) → b
3. Point(b) → C
4. Segment(C, A) → c
5. Segment(C, B) → d
6. Circle(C, d / 3) → e
7. OrthogonalLine(C, d) → f
8. Intersect(e, f) → D, E
9. Segment(C, E) → g
10. OrthogonalLine(E, g) → h
11. OrthogonalLine(B, d) → i
12. Intersect(i, h) → F
13. Segment(E, F) → j
14. Segment(B, F) → k
15. Circle(C, c / 3) → p
16. OrthogonalLine(C, c) → l
17. Intersect(p, l) → G, H
18. Segment(G, C) → m
19. OrthogonalLine(G, m) → n
20. OrthogonalLine(A, c) → q
21. Intersect(n, q) → I
22. Segment(G, I) → r
23. Segment(I, A) → s
24. OrthogonalLine(A, a) → t
25. Circle(A, a / 3) → c_1
26. Intersect(c_1, t) → J, K
27. Segment(A, J) → a_1
28. OrthogonalLine(J, a_1) → b_1
29. OrthogonalLine(B, a) → d_1
30. Intersect(b_1, d_1) → L
31. Segment(B, L) → e_1
32. Segment(L, J) → f_1
33. Polygon(C, G, I, A) → Q, c_3, g_1, i_1, a_2
34. LaTeX(Q, true, true) → text2
35. Polygon(A, J, L, B) → R, a_3, j_1, l_1, b_3
36. LaTeX(R, true, true) → text3
37. LaTeX(SumQplusR, true, true) → text4
38. OrthogonalLine(A, j) → h_1
39. Intersect(h_1, j) → M
40. Line(A, M) → k_1
41. Segment(A, M) → m_1
42. Intersect(m_1, d) → N
43. Polygon(C, N, M, E) → S1, c_2, n_1, m_2, e_2
44. PointIn(S1) → Pointpoly1
45. Polygon(N, B, F, M) → S2, n_2, b_2, f_2, m_3
46. LaTeX(S1, true, true) → text1
47. LaTeX(S2, true, true) → text6