黄金比例在正五边形中的几何构造

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Circle(A, B) → c
3. Circle(B, A) → d
4. Intersect(c, d, 2) → C_{1}
5. Intersect(c, d, 1) → D_{1}
6. Line(D_{1}, C_{1}) → g
7. Circle(C_{1}, B) → e
8. Intersect(c, e, 2) → E_{1}
9. Intersect(d, e, 1) → F
10. Intersect(e, g, 1) → G
11. Line(E_{1}, G) → h
12. Line(F, G) → i
13. Intersect(c, i, 2) → E
14. Intersect(d, h, 2) → C
15. Circle(E, A) → k
16. Circle(C, B) → p
17. Intersect(k, p, 1) → D
18. Polygon(D, C, B, A, E) → wielokąt1, j, i_1, b, a, h_1
19. Polygon(D, A, B) → t1, b_1, j_1, a_1
20. Angle(A, D, B) → α
21. Angle(D, B, A) → β
22. Angle(B, A, D) → γ