费马点 by Andreas Lindner

GeoGebra 命令及参数

1. Polygon(A, B, C) → P_1, c, a, b
2. Circle(A, C) → d
3. Circle(C, A) → e
4. Circle(B, C) → f
5. Intersect(d, e, 1) → B_1
6. Circle(A, B) → g
7. Circle(C, B) → h
8. Intersect(f, h, 1) → A_1
9. Circle(B, A) → k
10. Intersect(g, k, 2) → C_1
11. Polygon(A, C, B_1) → Dreieck_b, e_1, a_1, c_1
12. Polygon(A, C_1, B) → Dreieck_c, b_1, a_2, f_1
13. Polygon(C, B, A_1) → Dreieck_a, g_1, c_2, b_2
14. Segment(A, A_1) → i
15. Segment(C, C_1) → j
16. Segment(B, B_1) → l
17. Intersect(i, l) → F
18. Segment(P, A) → m
19. Segment(C, P) → n
20. Segment(B, P) → p