判断三角形相似性 by Walch Education

GeoGebra 命令及参数

1. Point(xAxis) → F_1
2. Polygon((x(F_1), y(Corner[1])), Corner[2], Corner[3], (x(F_1), y(Corner[4]))) → poly1, c, d, e, f
3. Segment(G, H) → g
4. Point(g) → I
5. Point(Circle[A, 6]) → B
6. Segment(A, B) → a
7. Rotate(C_1, -0.5236, A) → C
8. Segment(A, C) → b
9. Segment(B, C) → h
10. Angle(C, A, B) → α
11. Point(Circle[D, 7]) → E
12. Segment(D, E) → i
13. Rotate(J, 0.5235987755982988, E) → F
14. Segment(E, F) → j
15. Segment(D, F) → k
16. Angle(D, E, F) → β
17. Segment(A, B) → a_1
18. Segment(E, F) → j_1
19. Segment(A, C) → b_1
20. Segment(E, D) → i_1
21. Line(A, B) → l
22. Line(A, C) → m
23. Point(l) → K
24. Line(K, h) → n
25. Intersect(m, n) → L
26. Segment(A, K) → p
27. Segment(A, L) → q
28. Segment(L, K) → r
29. Segment(B, C) → h_1
30. Distance(A, L) → AL
31. Distance(A, C) → AC
32. Distance(A, K) → AK
33. Distance(A, B) → AB
34. Distance(K, L) → KL
35. Distance(B, C) → BC