三角形的垂心 by kmacken20

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Segment(B, C) → g
3. Segment(C, A) → h
4. Segment(C_1, A_1) → h_1
5. Segment(A_2, B_1) → f_1
6. Point(f_1) → D_2
7. Circle(C, Segment[A, C]) → c
8. Circle(A, Radius[c]) → d
9. Point(f) → D
10. Circle(A, Segment[D, A]) → e
11. Segment(A_4, B_2) → f_2
12. Point(f_2) → D_3
13. Circle(A_4, Segment[D_3, A_4]) → e_1
14. Intersect(e, e_1, 1) → E
15. Segment(C, E) → i
16. Point(g) → F
17. Circle(C, Segment[C, F]) → k
18. Segment(B_3, C_4) → g_1
19. Point(g_1) → F_1
20. Circle(C_4, Segment[C_4, F_1]) → k_1
21. Intersect(k, k_1, 2) → G
22. Segment(A, G) → j
23. Intersect(i, j) → H