相似三角形测验1-3

GeoGebra 命令及参数

1. Point(Circle[A, 11]) → B
2. Segment(A, B) → f
3. Point(Circle[C, 7]) → D
4. Segment(C, D) → g
5. Point(Circle[E, 7]) → F
6. Segment(E, F) → h
7. Distance(h, g) → a
8. Distance(A, B) → distanceAB
9. Distance(C, D) → distanceCD
10. Distance(E, F) → distanceEF
11. Distance(h, g) → d
12. Dilate(C, 8, G) → C'
13. Dilate(F, 8, G) → F'
14. Dilate(B, 8, G) → B'
15. Polygon(C', F', B') → t1', b', c', f'
16. Dilate(C', 4 / 11, H) → C''
17. Dilate(F', 4 / 11, H) → F''
18. Dilate(B', 4 / 11, H) → B''
19. Polygon(C'', F'', B'') → t1'', b'', c'', f''