所有边长之和

GeoGebra 命令及参数

1. Point(Circle[X, l]) → Y
2. Segment(X, Y) → f
3. Rotate(Y, α, X) → Y'
4. Angle(Y, X, Y') → γ
5. Rotate(X, (-β), Y) → X'
6. Angle(X', Y, X) → δ
7. Ray(X, Y') → g
8. Ray(Y, X') → h
9. AngularBisector(g, f) → i, j
10. AngularBisector(f, h) → k, m
11. Intersect(i, m) → A
12. Segment(X, A) → n
13. Segment(A, Y) → p
14. Segment(Y, X) → q
15. LineBisector(A, X) → r
16. LineBisector(Y, A) → s
17. Intersect(f, q) → B_{1}
18. Intersect(s, f) → C
19. Intersect(r, f) → B
20. Segment(A, B) → t
21. Segment(B, C) → a
22. Segment(A, C) → b
23. Angle(C, B, A) → ε
24. Angle(A, C, B) → ζ
25. Distance(B, C) → distanceBC
26. Distance(A, B) → distanceAB
27. Distance(C, A) → distanceCA
28. Midpoint(C, A) →
29. Distance(B, C) → BC
30. Distance(A, B) → AB
31. Distance(C, A) → CA