相似三角形的缩放

GeoGebra 命令及参数

1. Circle(A, a) → d
2. Point(d) → B
3. Circle(A, b) → e
4. Circle(B, c) → f
5. Intersect(e, f, 1) → C
6. Segment(A, C) → g
7. Segment(C, B) → h
8. Segment(B, A) → i
9. Circle(D, l) → p
10. Point(p) → E
11. Segment(D, E) → q
12. Circle(D, m) → r
13. Circle(E, n) → s
14. Intersect(r, s, 1) → F
15. Segment(D, F) → t
16. Segment(F, E) → f_1
17. FractionText(l) → text1
18. FractionText(m) → text2
19. FractionText(n) → text3
20. FractionText(j / k) → text4
21. Angle(B, A, C) → α
22. Angle(A, C, B) → β
23. Angle(C, B, A) → γ
24. Angle(E, D, F) → δ
25. Angle(D, F, E) → ε
26. Angle(F, E, D) → ζ