绘图机构连杆

GeoGebra 命令及参数

1. Circle(B0, DB) → d
2. PointIn(a) → A
3. Circle(A, DA) → c
4. Intersect(d, c) → B, C, ,
5. Line(B0, C) → f
6. Line(B0, B1) → g
7. Line(B1, f) → h
8. Line(C, g) → i
9. Intersect(i, h) → D
10. Line(C, A) → j
11. Line(D, j) → k
12. Line(A, i) → l
13. Intersect(k, l) → E
14. OrthogonalLine(A, l) → m
15. Point(Circle[A, 5]) → F
16. Polygon(A, F, G, H, I, J) → poly1, a_1, f_1, g_1, h_1, i_1, j_1
17. Segment(B0, C) → n
18. Segment(B1, D) → p
19. Segment(C, A) → q
20. Segment(D, E) → r
21. Segment(B0, B1) → s
22. Segment(C, D) → t
23. Segment(A, E) → b
24. Intersect(c, m) → K, L
25. Angle(K, A, F) → α