三角形全等演示 by broolaf1

GeoGebra 命令及参数

1. Ray(A, B) → a
2. Circle(A, AD) → c
3. Intersect(c, a, 1) → D
4. Rotate(D, Angle°, A) → D'
5. Angle(D, A, D') → α
6. Segment(A, D) → d
7. Ray(A, D') → f
8. Circle(A, AC) → k
9. Intersect(k, f, 1) → C
10. Segment(A, C) → g
11. Segment(C, D) → h
12. Ray(E, F) → b
13. Rotate(F, GEH°, E) → F'
14. Angle(F, E, F') → β
15. Ray(E, F') → e
16. Point(e) → G
17. Rotate(E, HGE°, G) → E'
18. Angle(E, G, E') → γ
19. Ray(G, E') → i
20. Intersect(b, i) → H
21. Segment(E, G) → j
22. Segment(G, H) → l
23. Segment(H, E) → m
24. Angle(G, H, E) → δ
25. Ray(I, J) → n
26. Circle(I, IK) → p
27. Intersect(p, n, 1) → K
28. Circle(I, IL) → q
29. Circle(K, KL) → r
30. Segment(I, K) → s
31. Intersect(q, r, 1) → L
32. Segment(I, L) → t
33. Segment(L, K) → a_1
34. Circle(N, NQ) → d_1
35. Circle(N, NO) → e_1
36. Point(e_1) → O
37. Rotate(N, NOQ°, O) → N'
38. Angle(N, O, N') → ε
39. Segment(N, O) → f_1
40. Line(O, N') → b_1
41. Intersect(d_1, b_1, 2) → Q1
42. Intersect(d_1, b_1, 1) → Q2
43. Segment(N, Q1) → c_1
44. Segment(N, Q2) → g_1