菱形性质综合：内切圆与圆交点的几何演示

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Point(c) → D
3. Circle(B, A) → d
4. Circle(D, A) → e
5. Intersect(d, e, 2) → C
6. Segment(A, B) → a
7. Segment(B, C) → b
8. Segment(C, D) → f
9. Segment(D, A) → g
10. Polygon(A, B, C, D) → poly1, a_1, b_1, c_1, d_1
11. Segment(D, C) → h
12. Segment(A, C) → i
13. Segment(D, B) → j
14. Intersect(i, j) → E
15. Segment(A, E) → k
16. Segment(E, C) → l
17. Segment(D, E) → m
18. Segment(E, B) → n
19. Angle(A, D, E) → α
20. Angle(E, D, C) → β
21. Angle(E, A, D) → γ
22. Angle(B, A, E) → δ
23. Angle(E, B, A) → ε
24. Angle(C, B, E) → ζ
25. Angle(E, C, B) → η
26. Angle(D, C, E) → θ
27. Angle(D, E, A) → ι
28. Angle(A, E, B) → κ
29. Angle(C, E, D) → λ
30. Angle(B, E, C) → μ