三角形、矩形和菱形的几何作图

GeoGebra 命令及参数

1. Segment(A, B) → f
2. OrthogonalLine(A, f) → g
3. OrthogonalLine(B, f) → h
4. Point(g) → C
5. Line(C, f) → i
6. Intersect(i, h) → D
7. Segment(C, A) → j
8. Segment(C, D) → k
9. Segment(D, B) → l
10. Angle(D, B, A) → α
11. Angle(A, C, D) → γ
12. Segment(C, B) → m
13. Segment(D, A) → n
14. Intersect(m, n) → E
15. Angle(C, E, A) → β
16. Angle(D, E, C) → δ
17. Angle(B, A, E) → ε
18. Angle(E, A, C) → ζ
19. Distance(C, E) → distanceCE
20. Distance(D, E) → distanceDE
21. Distance(B, E) → distanceBE
22. Distance(E, A) → distanceEA
23. Segment(F, G) → p
24. OrthogonalLine(F, p) → q
25. OrthogonalLine(G, p) → r
26. Circle(F, G) → c
27. Intersect(c, q) → H, I
28. Line(I, p) → s
29. Intersect(s, r) → J
30. Segment(I, F) → t
31. Segment(I, J) → a
32. Segment(J, G) → b
33. Angle(G, F, I) → η
34. Angle(I, J, G) → θ
35. Segment(I, G) → d
36. Segment(J, F) → e
37. Intersect(d, e) → K
38. Angle(K, I, J) → ι
39. Angle(F, I, K) → κ
40. Distance(I, K) → distanceIK
41. Distance(K, J) → distanceKJ
42. Distance(F, K) → distanceFK
43. Distance(K, G) → distanceKG
44. Angle(F, K, G) → λ
45. Segment(L, M) → f_1
46. Circle(L, M) → c_1
47. Point(c_1) → N
48. Segment(N, L) → g_1
49. Circle(N, Radius[c_1]) → d_1
50. Circle(M, Radius[c_1]) → e_1
51. Intersect(d_1, e_1) → O, P, ,
52. Segment(N, O) → h_1
53. Segment(M, O) → i_1
54. Angle(M, L, N) → μ
55. Angle(L, N, O) → ν
56. Angle(O, M, L) → ξ
57. Angle(N, O, M) → ο
58. Segment(N, M) → j_1
59. Segment(L, O) → k_1
60. Intersect(j_1, k_1) → Q
61. Distance(N, Q) → distanceNQ
62. Midpoint(N, Q) →
63. Distance(M, Q) → distanceMQ
64. Midpoint(M, Q) →
65. Distance(Q, L) → distanceQL
66. Midpoint(Q, L) →
67. Distance(Q, O) → distanceQO
68. Midpoint(Q, O) →
69. Angle(O, Q, N) → ρ
70. Angle(M, L, Q) → σ
71. Angle(Q, L, N) → τ
72. Angle(L, N, Q) → υ
73. Angle(Q, N, O) → ϕ