方格纸上的位似变换（缩放）示例一

GeoGebra 命令及参数

1. Line(A_2, B_2) → f
2. Line(C_2, D_2) → g
3. Line(E, F) → h
4. Line(G, H) → i
5. Line(I, J) → j
6. Line(K, L) → k
7. Line(M, N) → l
8. Line(O, P_1) → m
9. Line(Q, R) → n
10. Line(S, T) → p
11. Line(U, V) → q
12. Point(q) → F_1
13. OrthogonalLine(F_1, q) → r
14. Intersect(k, r) → G_1
15. Intersect(j, r) → H_1
16. Intersect(i, r) → I_1
17. Intersect(r, h) → J_1
18. Intersect(g, r) → K_1
19. Intersect(f, r) → L_1
20. Intersect(l, r) → M_1
21. Intersect(r, m) → N_1
22. Intersect(n, r) → O_1
23. LineBisector(F_1, G_1) → s
24. LineBisector(G_1, H_1) → t
25. LineBisector(H_1, I_1) → a
26. LineBisector(I_1, J_1) → b
27. LineBisector(J_1, K_1) → c
28. LineBisector(K_1, L_1) → d
29. LineBisector(L_1, M_1) → e
30. LineBisector(M_1, N_1) → f_1
31. LineBisector(N_1, O_1) → g_1
32. Line(W, Z) → h_1
33. Line(A_1, B_1) → i_1
34. Point(q) → C_1
35. LineBisector(A_1, C_1) → j_1
36. Point(j) → B
37. Point(k) → C
38. Point(h) → A
39. Polygon(A, B, C) → poly1, k_1, l_1, m_1
40. Point(q) → P
41. Dilate(A, scaleFactor, P) → A'
42. Dilate(B, scaleFactor, P) → B'
43. Dilate(C, scaleFactor, P) → C'
44. Polygon(A', B', C') → targetPoly, n_1, p_1, q_1
45. AreEqual(m_1, targetPoly) → isEqual