平行线与角的关系

GeoGebra 命令及参数

1. Line(A, B) → f
2. Line(A, C) → g
3. Point(f) → D
4. Point(g) → E
5. CircleSector(A, D, E) → c
6. Point(f) → F
7. CircleSector(A, E, F) → d
8. Mirror(c, A) → c'
9. Mirror(d, A) → d'
10. Translate(c, (n * (C - A))) → c'_{1}
11. Translate(c', (n * (C - A))) → c''
12. Translate(d', (n * (C - A))) → d''
13. Translate(d, (n * (C - A))) → d'_{1}
14. Translate(f, (n * (C - A))) → f'