探索风筝图形的几何性质

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Segment(B, C) → b
3. Segment(A, C) → c
4. Mirror(B, c) → D
5. Segment(A, D) → d
6. Segment(C, D) → e
7. Segment(B, D) → f
8. Segment(A, C) → g
9. Intersect(g, f) → E
10. Segment(A, E) → h
11. Segment(E, C) → i
12. Segment(E, D) → j
13. Segment(E, B) → k
14. Angle(B, A, E) → α
15. Angle(E, A, D) → β
16. Angle(A, D, E) → γ
17. Angle(A, E, B) → δ
18. Angle(E, D, C) → ε
19. Angle(E, B, A) → ζ
20. Angle(C, B, E) → η
21. Angle(E, C, B) → θ
22. Angle(D, C, E) → ι