测量 congruence

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Rotate(B, 45*°, A) → B'
3. Angle(B, A, B') → α
4. Ray(A, B') → b
5. Rotate(A, -100*°, B) → A'
6. Angle(A', B, A) → β
7. Ray(B, A') → c
8. Intersect(b, c) → C
9. Polygon(A, B, C) → poly1, c_1, a_1, b_1
10. Segment(D_1, E_1) → a_3
11. Rotate(E_1, 45*°, D_1) → B'_1
12. Angle(E_1, D_1, B'_1) → α_1
13. Ray(D_1, B'_1) → b_3
14. Rotate(D_1, -100*°, E_1) → A'_1
15. Angle(A'_1, E_1, D_1) → β_1
16. Ray(E_1, A'_1) → c_3
17. Intersect(b_3, c_3) → F_1
18. Polygon(D_1, E_1, F_1) → poly1_1, c_2, a_2, b_2
19. Distance(A, C) → distanceAC
20. Distance(B, C) → distanceBC
21. Distance(A, B) → distanceAB
22. Rotate(D_1, 45*°, E_1) → D
23. Rotate(E_1, 45*°, E_1) → E
24. Rotate(F_1, 45*°, E_1) → F
25. Polygon(D, E, F) → poly2, f', d', e'
26. Circle(A, 10) → d
27. Point(d) → G
28. Circle(D, 10) → e
29. Point(e) → H
30. Circle(B, 10) → g
31. Point(g) → I
32. Circle(E, 10) → h
33. Point(h) → J
34. Circle(A, 5) → p
35. Point(p) → K
36. Line(K, A) → m
37. Intersect(p, m, 2) → L
38. Circle(D, 5) → q
39. Point(q) → M
40. Line(M, D) → n
41. Intersect(q, n, 2) → N
42. Circle(C, 5) → r
43. Circle(F, 5) → s
44. Circle(E, 5) → t
45. Circle(B, 5) → d_1
46. Point(d_1) → O
47. Point(r) → P
48. Point(t) → Q
49. Point(s) → R
50. Line(O, B) → e_1
51. Line(P, C) → f_1
52. Line(Q, E) → g_1
53. Line(R, F) → h_1
54. Intersect(d_1, e_1, 2) → S
55. Intersect(r, f_1, 2) → T
56. Intersect(t, g_1, 2) → U
57. Intersect(s, h_1, 2) → V
58. Angle(C, A, B) → γ
59. Angle(A, B, C) → δ
60. Angle(A, C, B) → ε
61. Angle(E, D, F) → ζ
62. Angle(F, E, D) → η
63. Angle(D, F, E) → θ