三角形全等

GeoGebra 命令及参数

1. Polygon(A, B, C) → t1, c, a, b
2. Centroid(t1) → D
3. Rotate(A, (π * p), D) → A'
4. Rotate(B, (π * p), D) → B'
5. Rotate(C, (π * p), D) → C'
6. Dilate(Translate[A', (d, 0)], e, D) → A''
7. Polygon(A', B', C') → t1', c', a', b'
8. Dilate(Translate[B', (d, 0)], e, D) → B''
9. Dilate(Translate[C', (d, 0)], e, D) → C''
10. Polygon(A'', B'', C'') → t1'', c'', a'', b''
11. Segment(A, B) → l
12. Segment(B, C) → m
13. Segment(C, A) → n
14. Segment(A'', B'') → p_1
15. Segment(B'', C'') → q
16. Segment(C'', A'') → r
17. Angle(C, A, B) → α
18. Angle(A, B, C) → β
19. Angle(B, C, A) → γ
20. Angle(C'', A'', B'') → δ
21. Angle(A'', B'', C'') → ε
22. Angle(B'', C'', A'') → ζ