菱形性质探索

GeoGebra 命令及参数

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