菱形实验

GeoGebra 命令及参数

1. Point(yAxis) → F
2. Point(yAxis) → G
3. Line(F, G) → g
4. Segment(A, B) → a
5. Circle(A, B) → c_1
6. Point(c_1) → D
7. Segment(A, D) → d
8. Circle(D, A) → d_1
9. Circle(B, A) → e
10. Intersect(d_1, e, 2) → C
11. Segment(D, C) → c
12. Segment(B, C) → b
13. Angle(B, C, D) → α
14. Angle(C, D, A) → β
15. Angle(D, A, B) → γ
16. Angle(A, B, C) → δ
17. Segment(D, B) → f
18. Segment(C, A) → h
19. Intersect(f, h) → E
20. Distance(C, E) → distanceCE
21. Distance(E, A) → distanceEA
22. Distance(D, E) → distanceDE
23. Distance(E, B) → distanceEB
24. Angle(D, A, E) → ε
25. Angle(E, A, B) → ζ
26. Angle(E, D, A) → η
27. Angle(D, E, C) → θ
28. Angle(C, E, B) → ι