三角形变换示例5

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → C_1
2. Vector(C_1, C_2) → u
3. Segment(B, F) → a
4. Line(A_1, B_1) → b
5. Dilate(B, 3, C_1) → E
6. Dilate(F, 3, C_1) → C
7. Segment(E, C) → a'
8. Translate(E, u) → A
9. Translate(C, u) → D
10. Segment(A, D) → a''
11. Polygon(B, F, G) → poly1, g, b_1, f
12. Dilate(B, 3, C_1) → B'
13. Dilate(F, 3, C_1) → F'
14. Dilate(G, 3, C_1) → J
15. Polygon(B', F', J) → poly1', g', b', f'
16. Translate(B', u) → B''
17. Translate(F', u) → F''
18. Translate(J, u) → H
19. Polygon(B'', F'', H) → poly1'', g'', b'', f''