判断全等图形 #3

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → B
2. Segment(A, B) → a
3. Segment(C, B) → b
4. Segment(A, C) → c
5. Segment(D, E) → d
6. Mirror(A, d) → A'
7. Mirror(B, d) → B'
8. Segment(A', B') → a'
9. Mirror(C, d) → C'
10. Mirror(B, d) → B'_1
11. Segment(C', B'_1) → b'
12. Mirror(A, d) → A'_1
13. Mirror(C, d) → C'_1
14. Segment(A'_1, C'_1) → c'
15. Vector(F, G) → u
16. Translate(A', u) → A''
17. Translate(B', u) → B''
18. Segment(A'', B'') → a''
19. Translate(C', u) → C''
20. Translate(B'_1, u) → H
21. Segment(C'', H) → b''
22. Translate(A'_1, u) → I
23. Translate(C'_1, u) → J
24. Segment(I, J) → c''
25. Polygon(A'', C'', B'') → poly1, b''_1, a''_1, c''_1
26. Polygon(B, C, A) → poly2, a_1, b_1, c_1