菱形的几何作图

GeoGebra 命令及参数

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