图形的相似变换 by Edward Knote (2)

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → S
2. Dilate(A, a, S) → A'
3. Dilate(B, a, S) → B'
4. Dilate(A, n, C) → A''
5. Dilate(B, n, C) → B''
6. Line(A', A) → d
7. Line(B', B) → e
8. Line(A'', A) → f_1
9. Line(B'', B) → g_1
10. Polygon(A, B, 4) → poly1, f, g, h, i, D, E
11. Midpoint(h) → F
12. Circle(F, f) → c
13. OrthogonalLine(F, f) → j
14. Line(E, D) → r
15. Intersect(c, r, 1) → J
16. Intersect(c, j, 2) → K
17. Intersect(c, r, 2) → L
18. Dilate(A, n, C) → A'_1
19. Dilate(E, n, C) → E'
20. Dilate(J, n, C) → J'
21. Dilate(K, n, C) → K'
22. Dilate(L, n, C) → L'
23. Dilate(D, n, C) → D'
24. Dilate(B, n, C) → B'_1
25. Dilate(A, a, S) → A'_2
26. Dilate(E, a, S) → E'_1
27. Dilate(J, a, S) → J'_1
28. Dilate(K, a, S) → K'_1
29. Dilate(L, a, S) → L'_1
30. Dilate(D, a, S) → D'_1
31. Dilate(B, a, S) → B'_2
32. Polygon(A, B, 5) → poly2, k, l, m, p, q, G, H, I
33. Polygon(A'', B'', 5) → poly3, s, t, b, h_1, i_1, M, N, O
34. Polygon(A', B', 5) → poly4, j_1, k_1, l_1, m_1, n_1, P, Q, R