相似三角形比例演示

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Segment(A, B) → f
3. Point(xAxis) → C
4. Segment(B, C) → g
5. Segment(A, C) → h
6. Line(D, f) → i
7. Line(C, A) → j
8. Line(C, B) → k
9. Intersect(i, j) → E
10. Intersect(i, k) → F
11. Segment(C, E) → l
12. Segment(E, F) → m
13. Segment(F, C) → n
14. Segment(F, C) → p
15. Angle(C, E, F) → α
16. Angle(C, A, B) → β
17. Angle(F, C, A) → γ
18. Angle(A, B, C) → δ
19. Angle(D, F, B) → ε
20. Distance(A, C) → distanceAC
21. Distance(E, C) → distanceEC
22. Distance(E, F) → distanceEF
23. Distance(A, B) → distanceAB
24. Distance(B, C) → distanceBC
25. Distance(F, C) → distanceFC
26. Distance(E, F) → EF
27. Distance(A, B) → AB