勾股定理演示 by Anja_Guttmann

GeoGebra 命令及参数

1. Segment(A, B) → c_1
2. Semicircle(A, B) → c_5
3. Point(c_5) → C
4. Polygon(B, C, A) → poly1, a, b_3, c
5. Angle(poly1) → α, β, γ
6. OrthogonalLine(C, a) → d
7. OrthogonalLine(B, a) → e
8. Circle(C, B) → f
9. Intersect(f, d, 1) → D
10. Line(D, a) → g
11. Intersect(e, g) → E
12. Polygon(B, C, D, E) → a_2222, b_1, c_3, d_1, e_1
13. OrthogonalLine(A, b_3) → h
14. OrthogonalLine(C, b_3) → i
15. Circle(A, C) → k
16. Intersect(k, h, 1) → F
17. Line(F, b_3) → j
18. Intersect(i, j) → G
19. Polygon(A, F, G, C) → b_2222, a_1, f_1, g_1, c_4
20. OrthogonalLine(A, c) → l
21. OrthogonalLine(B, c) → m
22. Circle(B, A) → p
23. Intersect(p, m, 1) → H
24. Line(H, c) → n
25. Intersect(l, n) → I
26. Polygon(A, B, H, I) → c_2222, a_3, b_4, h_1, i_1
27. Midpoint(a_3) → J
28. Midpoint(h_1) → K
29. Midpoint(K, J) → L
30. Midpoint(a) → M
31. Midpoint(d_1) → N
32. Midpoint(M, N) → O
33. Midpoint(f_1) → P
34. Midpoint(c_4) → Q
35. Midpoint(P, Q) → R