菱形相关数学关系演示

GeoGebra 命令及参数

1. Line(A_1, B_1) → a
2. Circle(A_1, B_1) → c
3. OrthogonalLine(A_1, a) → b
4. Intersect(c, b, 2) → C_1
5. OrthogonalLine(C_1, b) → d
6. OrthogonalLine(B_1, a) → e
7. Intersect(d, e) → D_1
8. Polygon(A_1, C_1, D_1, B_1) → A, a_1, c_1, d_1, b_1
9. Line(E_1, F_1) → g
10. Circle(E_1, F_1) → h
11. Point(h) → G
12. Circle(G, E_1) → k
13. Circle(F_1, E_1) → p
14. Intersect(k, p, 2) → H
15. Line(E_1, G) → i
16. Line(G, H) → j
17. Line(H, F_1) → l
18. Polygon(E_1, G, H, F_1) → B, e_1, g_1, h_1, f_1
19. Line(I, J) → n
20. OrthogonalLine(I, n) → q
21. Line(J, q) → r
22. Point(q) → K
23. Line(K, n) → s
24. Intersect(r, s) → L
25. Polygon(L, J, I, K) → C, l_1, j_1, i_1, k_1
26. Line(D_2, M) → t
27. Line(M, N) → m_1
28. LineBisector(M, N) → n_1
29. Mirror(D_2, n_1) → D'
30. Line(D', D_2) → p_1
31. Line(D', N) → q_1
32. Polygon(D_2, M, N, D') → D, d_2, m_2, n_2, d'
33. Line(O, P) → r_1
34. LineBisector(O, P) → s_1
35. Point(s_1) → Q
36. Point(s_1) → R
37. Line(O, Q) → t_1
38. Line(Q, P) → a_2
39. Line(P, R) → b_2
40. Line(R, O) → c_2
41. Polygon(R, O, Q, P) → E, r_2, o_1, q_2, p_2
42. Line(S, T) → e_2
43. Line(S, U) → f_2
44. OrthogonalLine(U, f_2) → g_2
45. Point(g_2) → V
46. Line(V, T) → h_2
47. Polygon(U, S, T, V) → F, u_1, s_2, t_2, v_1