解析几何中的参数方程与轨迹作图

GeoGebra 命令及参数

1. Line(A, T) → a
2. Point(a) → B
3. OrthogonalLine(A, a) → b
4. Line(A, C) → c
5. Line(A, B) → d
6. OrthogonalLine(C, c) → e
7. OrthogonalLine(B, d) → f
8. Intersect(e, f) → D
9. Segment(A, D12) → n
10. Segment(D12, A9) → p
11. Segment(A9, D4) → q
12. Segment(D4, B) → r
13. Segment(D9, C9) → s
14. Segment(D9, A) → t
15. Segment(D9, A9) → a1
16. Segment(D9, B12) → b1
17. Segment(D9, B4) → c1
18. Segment(C10, B6) → d1
19. Segment(C12, B) → e1
20. Segment(B4, A) → f1
21. Segment(D12, A4) → g1
22. Segment(C12, A9) → h1
23. Segment(A9, D) → i1
24. Segment(A4, B12) → j1