内接椭圆

GeoGebra 命令及参数

1. Line(C, D) → f
2. Polygon(E, F, G, H) → q1, e, f_1, g, h
3. Polygon(I, J, K, L) → q2, i, j, k, l
4. InscribeEllipse(E, F, G, H) → c
5. InscribeEllipse(I, J, K, L) → d
6. Line(F, G) → m
7. Line(E, H) → n
8. Line(H, G) → p
9. Line(E, F) → q
10. Line(J, I) → r
11. Line(K, L) → s
12. Line(L, I) → t
13. Line(K, J) → a
14. Intersect(p, q) → M
15. Segment(G, E) → b
16. Segment(F, H) → g_1
17. Intersect(b, g_1) → N
18. Intersect(m, n) → O
19. Ray(O, N) → i_1
20. Intersect(s, r) → P
21. Segment(I, K) → j_1
22. Segment(J, L) → k_1
23. Intersect(j_1, k_1) → Q
24. Line(P, Q) → l_1
25. Line(M, N) → h_1
26. Intersect(a, t) → R
27. Line(R, Q) → m_1
28. Intersect(m_1, s) → S
29. Intersect(r, m_1) → T
30. Intersect(t, l_1) → U
31. Intersect(a, l_1) → V
32. Intersect(q, e) → W
33. Intersect(i_1, q) → Z
34. Intersect(p, i_1) → A_1
35. Intersect(m, h_1) → B_1
36. Intersect(h_1, n) → C_1
37. Segment(Z, A_1) → n_1
38. Segment(B_1, C_1) → p_1
39. Segment(U, V) → q_1
40. Segment(T, S) → r_1