相似三角形 S S 测试

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Segment(A, C) → b
3. Segment(C, B) → c
4. Point(Circle[D, (r * a)]) → E
5. Segment(D, E) → d
6. Circle(E, Ra) → e
7. Point(e) → G
8. Segment(E, G) → f
9. Segment(D, G) → g
10. Polygon(C, B, A) → poly1, a_1, c_1, b_1
11. Polygon(G, E, D) → poly2, d_1, g_1, e_1
12. Angle(B, A, C) → α
13. Angle(C, B, A) → β
14. Angle(A, C, B) → γ
15. Angle(D, G, E) → δ
16. Angle(E, D, G) → ε
17. Angle(G, E, D) → ζ