旋转与等边三角形

GeoGebra 命令及参数

1. Rotate(A, β, B) → C
2. Angle(C, B, A) → δ
3. Rotate(C, ζ, A) → A''
4. Angle(A'', A, C) → η
5. Rotate(B, θ, C) → B'
6. Angle(B', C, B) → ι
7. Segment(C, A) → f
8. Segment(A, B) → g
9. Segment(C, B) → h
10. Segment(A, B') → i
11. Polygon(G, H, I) → t1, i_1, g_1, h_1
12. Polygon(J, K, L) → t2, l, j, k
13. Segment(M, D) → m
14. Segment(D, E) → n
15. Segment(E, F) → p
16. Segment(F, M) → q
17. Point(k) → N
18. Circle(N, O) → c
19. Segment(P, Q) → r
20. Circle(R, 3.5206630456888095) → d
21. Circle(V, 4.318008404361196) → s
22. Ellipse(W, Z, A_1) → e
23. Circle(B_1, 1.1986867356097015) → t
24. Circle(C_1, 1.157712222355001) → c_1
25. Circle(D_1, 1.5782890280556081) → d_1
26. Circle(E_1, 1.0245749186240654) → e_1
27. Ellipse(F_1, G_1, H_1) → f_1
28. Circle(I_1, 0.7286722651827102) → k_1
29. Ellipse(M_1, N_1, O_1) → q_1
30. Circle(V_1, 0.8290493702679644) → t_1
31. Circle(W_1, 1.2121144859053594) → c_2
32. Polygon(C_2, D_2, E_2) → t3, e_2, a, d_2
33. Polygon(F_2, G_2, H_2, I_2) → q1, f_2, g_2, h_2, i_2
34. Polygon(J_2, K_2, L_2, M_2) → q2, j_2, k_2, l_2, m_2