三角形全等判定

GeoGebra 命令及参数

1. Polygon(C, B, A) → pol1, c, a, b
2. Circle(B', c) → d_2
3. Circle(B', a) → e_2
4. Point(e_2) → A'
5. Circle(A', b) → f_2
6. Intersect(d_2, f_2, 1) → C'
7. Polygon(B', C', A') → pol2, e, d, f
8. Angle(pol1) → α, β, γ
9. Angle(A', B', C') → δ
10. Angle(B', C', A') → ε
11. Angle(C', A', B') → ζ
12. Polygon(A, B, C) → pol3, a_1, c_1, b_1
13. Polygon(C', B', A') → pol4, e_1, f_1, d_1
14. Angle(C, A, B) → η
15. Angle(C', A', B') → θ