风筝图形探索

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Point(c) → C
3. Segment(A, C) → a
4. Segment(A, B) → b
5. AngularBisector(B, A, C) → d
6. Point(d) → D
7. Segment(C, D) → e
8. Segment(B, D) → f
9. Angle(A, C, D) → α
10. Angle(D, B, A) → β
11. Angle(B, A, C) → γ
12. Angle(C, D, B) → δ
13. Distance(A, C) → distanceAC
14. Distance(C, D) → distanceCD
15. Distance(D, B) → distanceDB
16. Distance(B, A) → distanceBA
17. Segment(C, B) → g
18. Segment(A, D) → h
19. Intersect(g, h) → E
20. Distance(C, E) → distanceCE
21. Distance(E, B) → distanceEB
22. Angle(C, E, A) → ε