驴的几何构造

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Circle(B, A) → c
3. Circle(A, C) → d
4. Segment(A, C) → b
5. Segment(C, B) → e
6. Angle(C, B, A) → α
7. Circle(D, a) → f
8. Point(f) → E
9. Segment(E, D) → g
10. Circle(E, b) → h
11. Rotate(E, (-α), D) → E'
12. Angle(E', D, E) → β
13. Line(D, E') → i
14. Intersect(h, i, 2) → F
15. Segment(F, E) → j
16. Segment(D, F) → k
17. Polygon(B, A, C) → poly1, c_1, b_1, a_1
18. Polygon(D, E, F) → poly2, f_1, d_1, e_1