垂直平分线动画构造

GeoGebra 命令及参数

1. Line(E1, B_1) → d
2. Point(d) → C
3. Circle(C, M_1) → c
4. Intersect(c, d) → D, E
5. Circle(E, M_1) → e
6. Intersect(e, c) → A, B, ,
7. Segment(M_1, B) → g
8. Intersect(d, g) → F
9. Angle(E, F, M_1) → α
10. Rotate(M_1, (cc * t), C) → M'
11. Rotate(M_1, (ee * t), E) → M''
12. CircleArc(E, M_1, M'') → f
13. CircleArc(C, M_1, M') → h
14. Translate(M_1, Vector[(ll * Vector[M_1, B])]) → M'''
15. Translate(P, Vector[(ll * Vector[P, Q])]) → P'
16. Segment(P, P') → i