三角形的中线、重心、高线和垂心

GeoGebra 命令及参数

1. Polygon(A, B, C) → poly1, c, a, b
2. Angle(B, A, C) → α
3. Angle(A, C, B) → β
4. Angle(C, B, A) → γ
5. Circle(A, B) → d
6. Circle(B, A) → e
7. Intersect(d, e, 2) → D
8. Intersect(d, e, 1) → E
9. Line(D, E) → f
10. Circle(A, C) → g
11. Circle(C, A) → h
12. Intersect(g, h, 2) → F
13. Intersect(g, h, 1) → G
14. Line(F, G) → i
15. Circle(C, B) → k
16. Circle(B, C) → p
17. Intersect(k, p, 2) → H
18. Intersect(k, p, 1) → I
19. Line(H, I) → j
20. Intersect(f, c) → J
21. Intersect(i, b) → K
22. Intersect(j, a) → L
23. Segment(A, L) → l
24. Segment(B, K) → m
25. Segment(J, C) → n
26. Intersect(l, m) → M
27. Circle(A, B) → q
28. Circle(C, B) → r
29. Intersect(q, r, 2) → N
30. Line(B, N) → s
31. Intersect(s, b) → O
32. Circle(B, A) → t
33. Circle(C, A) → c_1
34. Intersect(t, c_1, 2) → P
35. Line(A, P) → f_1
36. Intersect(f_1, a) → Q
37. Segment(B, O) → g_1
38. Segment(A, Q) → h_1
39. Circle(A, B) → d_1
40. Circle(B, C) → e_1
41. Intersect(d_1, e_1, 2) → R
42. Line(R, C) → i_1
43. Intersect(i_1, c) → S
44. Segment(C, S) → j_1
45. Angle(N, O, A) → δ
46. Angle(A, Q, B) → ε
47. Circle(A, C) → k_1
48. Circle(B, C) → p_1
49. Intersect(k_1, p_1, 2) → T
50. Line(T, C) → l_1
51. Intersect(l_1, c) → U
52. Angle(A, U, T) → ζ
53. Segment(U, C) → m_1
54. Intersect(s, f_1) → V
55. Distance(A, M) → AM
56. Distance(A, M) → distanceAM
57. Distance(C, M) → distanceCM
58. Distance(B, A) → distanceBA
59. Distance(L, A) → distanceLA
60. Distance(M, l) → distanceMl
61. Distance(L, M) → distanceLM
62. Distance(C, J) → distanceCJ
63. Distance(M, J) → distanceMJ
64. Distance(B, K) → distanceBK
65. Distance(B, M) → distanceBM
66. Distance(B, K) → o
67. Distance(B, M) → u
68. Distance(B, K) → v
69. Distance(M, K) → distanceMK
70. Distance(B, M) → w
71. Distance(M, K) → a_1
72. Distance(B, K) → b_1
73. Distance(L, A) → n_1
74. Distance(A, M) → o_1
75. Distance(L, M) → q_1
76. Distance(A, Q) → distanceAQ
77. Distance(A, V) → distanceAV
78. Distance(V, Q) → distanceVQ
79. Distance(B, O) → distanceBO
80. Distance(B, V) → distanceBV
81. Distance(V, O) → distanceVO
82. Distance(C, J) → r_1
83. Midpoint(C, J) →
84. Distance(C, M) → s_1
85. Midpoint(C, M) →
86. Distance(M, J) → t_1
87. Midpoint(M, J) →
88. Distance(C, U) → distanceCU
89. Midpoint(C, U) →
90. Distance(C, V) → distanceCV
91. Midpoint(C, V) →
92. Distance(V, U) → distanceVU
93. Midpoint(V, U) →