无测量的角加法

GeoGebra 命令及参数

1. Point(Circle[A, 2]) → B
2. Segment(A, B) → a
3. Rotate(A, 130*°, B) → C
4. Angle(A, B, C) → α
5. Segment(B, C) → b
6. Point(Circle[C_1, 2]) → D
7. Segment(C_1, D) → c
8. Rotate(D, 30*°, C_1) → D'
9. Angle(D, C_1, D') → β
10. Segment(C_1, D') → d
11. Point(Circle[E, 2]) → F
12. Segment(E, F) → e
13. Rotate(F, 100*°, E) → F'
14. Angle(F, E, F') → γ
15. Segment(E, F') → f
16. Point(Circle[G, 2]) → H
17. Segment(G, H) → g
18. Rotate(H, 70*°, G) → H'
19. Angle(H, G, H') → δ
20. Segment(G, H') → h
21. Point(Circle[I, 2]) → J
22. Segment(I, J) → i
23. Rotate(J, 60*°, I) → J'
24. Angle(J, I, J') → ε
25. Segment(I, J') → j
26. Point(Circle[K, 2]) → L
27. Segment(K, L) → k
28. Rotate(L, 90*°, K) → L'
29. Angle(L, K, L') → ζ
30. Segment(K, L') → l
31. Point(Circle[M, 2]) → N
32. Segment(M, N) → m
33. Rotate(N, 40*°, M) → N'
34. Angle(N, M, N') → η
35. Segment(M, N') → n