菱形的性质

GeoGebra 命令及参数

1. Circle(A, Segment[A, B]) → c
2. Circle(B, Segment[A, B]) → d
3. Point(d) → C
4. Circle(C, Segment[C, B]) → e
5. Intersect(e, c) → D, E, ,
6. Polygon(E, A, B, C) → poly1, e_1, a, b, c_1
7. Segment(C, A) → f
8. Segment(B, E) → g
9. Angle(g, f) → α
10. Distance(g, f) → h
11. Intersect(g, f) → F
12. Distance(B, F) → distanceBF
13. Distance(E, F) → distanceEF
14. Angle(C, B, A) → β
15. Angle(F, B, A) → γ
16. Angle(C, B, F) → δ
17. Distance(A, F) → i
18. Distance(C, F) → j
19. Segment(A, F) → k
20. Midpoint(k) → G
21. Segment(F, C) → l
22. Midpoint(l) → H
23. Angle(A, E, C) → ε
24. Angle(E, C, B) → ζ
25. Angle(B, A, E) → η