相似三角形SSS探究

GeoGebra 命令及参数

1. Point(Circle[A_1, 2]) → B_1
2. Segment(A_1, B_1) → f
3. Point(Circle[B_1, 3]) → C_1
4. Segment(B_1, C_1) → g
5. Segment(A_1, C_1) → h
6. Polygon(A_1, B_1, C_1) → t1, c, a, b
7. Polygon(B_1, A_1, C_1) → t2, c_1, b_1, a_1
8. Point(Circle[A, 4]) → B
9. Segment(A, B) → i
10. Point(Circle[B, 6]) → C
11. Segment(B, C) → j
12. Segment(A, C) → k
13. Polygon(B, A, C) → t3, f_1, e, d
14. Point(Circle[G, 6]) → H
15. Segment(G, H) → l
16. Point(Circle[H, 9]) → I
17. Segment(H, I) → m
18. Segment(G, I) → n
19. Polygon(G, H, I) → t4, i_1, g_1, h_1
20. Angle(A_1, B_1, C_1) → α
21. Angle(G, H, I) → β
22. Angle(A, B, C) → γ
23. Angle(B_1, A_1, C_1) → δ