菱形构造 by corybenson

GeoGebra 命令及参数

1. Line(A, B) → f
2. Line(C, A) → g
3. Point(f) → D
4. Circle(A, D) → c
5. Intersect(c, g) → E, F
6. Circle(D, A) → d
7. Line(D, g) → h
8. Intersect(d, h) → G, H
9. Line(G, f) → i
10. Circle(E, G) → e
11. Angle(D, A, E) → α
12. Angle(A, E, G) → β
13. Angle(E, G, D) → γ
14. Angle(G, D, A) → δ
15. Segment(E, A) → j
16. Segment(E, G) → k
17. Segment(G, D) → l
18. Segment(D, A) → m