基础几何线段作图

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Segment(B, A) → f
3. Circle(B, A) → d
4. Intersect(c, d, 2) → C
5. Intersect(c, d, 1) → D
6. Segment(C, D) → g
7. Intersect(f, g) → E
8. Circle(C, E) → e
9. Intersect(c, e, 2) → F
10. Circle(F, C) → h
11. Intersect(c, h, 2) → G
12. Circle(G, F) → k
13. Intersect(c, k, 2) → H
14. Circle(H, G) → p
15. Intersect(c, p, 2) → I
16. Circle(I, H) → q
17. Intersect(c, q, 2) → J
18. Circle(J, I) → r
19. Intersect(c, e, 1) → K
20. Circle(K, J) → s
21. Segment(C, F) → i
22. Segment(F, G) → j
23. Segment(G, H) → l
24. Segment(H, I) → m
25. Segment(I, J) → n
26. Segment(J, K) → t
27. Segment(K, C) → a
28. Angle(I, J, K) → α
29. Angle(K, C, F) → β
30. Angle(F, G, H) → γ
31. Angle(H, I, J) → δ