特殊直角三角形 by Rasha Tarek (2)

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Rotate(B, 90°, A) → B'
3. Angle(B, A, B') → α
4. Segment(B', A) → b
5. Segment(B', B) → c
6. Midpoint(a) → C
7. Midpoint(b) → D
8. Midpoint(c) → E
9. Angle(A, B', B) → β
10. Angle(B', B, A) → γ
11. Point(b) → F
12. Point(c) → G
13. Segment(F, G) → d
14. Midpoint(d) → H
15. Point(c) → I
16. Point(a) → J
17. Segment(I, J) → e
18. Midpoint(e) → K
19. Segment(L, M) → f
20. Rotate(M, 90°, L) → M'
21. Angle(M, L, M') → δ
22. Rotate(L, (-(30°)), M) → L'
23. Angle(L', M, L) → ε
24. Line(L, M') → g
25. Line(M, L') → h
26. Intersect(h, g) → N
27. Segment(M, N) → i
28. Segment(L, N) → j
29. Angle(L, N, M) → ζ
30. Point(j) → O
31. Point(i) → Q
32. Segment(O, Q) → k
33. Midpoint(k) → P
34. Point(i) → R
35. Point(f) → S
36. Segment(R, S) → l
37. Midpoint(l) → T
38. Midpoint(i) → U
39. Midpoint(j) → V
40. Midpoint(f) → W