勾股定理演示 by user25677_1

GeoGebra 命令及参数

1. Segment(A, B) → d
2. Semicircle(A, B) → c_2
3. Point(c_2) → C
4. Polygon(A, B, C) → poly1, c, a, b
5. Angle(poly1) → α, β, γ
6. OrthogonalLine(C, a) → e
7. OrthogonalLine(B, a) → f
8. Circle(C, B) → g
9. Intersect(g, e, 1) → D
10. Line(D, a) → h
11. Intersect(f, h) → E
12. Polygon(C, B, E, D) → poly2, c_1, b_1, e_1, d_1
13. OrthogonalLine(C, b) → i
14. OrthogonalLine(A, b) → j
15. Circle(C, A) → k
16. Intersect(k, i, 1) → F
17. Line(F, b) → l
18. Intersect(j, l) → G
19. Polygon(A, C, F, G) → poly3, a_1, c_3, f_1, g_1
20. OrthogonalLine(A, c) → m
21. OrthogonalLine(B, c) → n
22. Circle(A, B) → p
23. Intersect(p, m, 1) → H
24. Line(H, c) → q
25. Intersect(n, q) → I
26. Polygon(A, H, I, B) → poly4, a_2, h_1, i_1, b_2
27. Midpoint(F, A) → J
28. Midpoint(A, I) → K
29. Midpoint(D, B) → L