练习 2.14 - 快速线段三分

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Circle(A, B) → c
3. Circle(B, A) → d
4. Intersect(c, d) → C, D, ,
5. Circle(C, B) → e
6. Line(B, C) → b
7. Intersect(e, b) → E_1, E
8. Line(E, D) → f
9. Intersect(f, a) → F
10. Circle(F, A) → g
11. Intersect(g, a) → H, G
12. Midpoint(A, B) → M
13. Polygon(E, A, B) → t1, b_1, e_2, a_2
14. Polygon(C, M, B) → t2, b_2, c_1, m_1
15. Polygon(E, A, F) → poly1, f_1, e_1, a_1
16. Polygon(F, D, M) → poly2, m, f_2, d_1