相似三角形演示 by maguzman4

GeoGebra 命令及参数

1. Line(M, B_1) → a
2. Line(M, C_1) → b
3. Line(M, D) → c
4. Line(E, F) → d
5. Line(G, d) → e
6. Intersect(d, a) → B'
7. Intersect(c, d) → C'
8. Intersect(a, e) → B
9. Intersect(e, c) → C
10. Distance(B', C') → distanceHI
11. Midpoint(B', C') →
12. Distance(B, C) → distanceJK
13. Midpoint(B, C) →
14. Circle(B', 2) → f
15. Circle(B, 5.5375) → g
16. Intersect(g, b) → L, A
17. Intersect(f, b) → N, A'
18. Polygon(A, B, C) → poly1, k, m, j
19. Polygon(A', B', C') → poly2, i, o, h
20. Distance(A, B) → distanceMJ
21. Midpoint(A, B) →
22. Distance(A, C) → distanceMK
23. Midpoint(A, C) →
24. Distance(A', B') → distanceOH
25. Midpoint(A', B') →
26. Distance(A', C') → distanceOI
27. Midpoint(A', C') →