等腰三角形构造 by Katie Drach

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Segment(A, B) → a
3. Point(c) → C
4. Segment(A, C) → b
5. Distance(A, C) → distanceAC
6. Distance(A, B) → distanceAB
7. Segment(C, B) → d
8. Distance(C, B) → distanceCB
9. Angle(A, C, B) → α
10. Angle(C, B, A) → β
11. Segment(D, E) → e
12. LineBisector(e) → f
13. Point(f) → F
14. Segment(F, D) → g
15. Segment(F, E) → h
16. Distance(F, D) → distanceFD
17. Distance(F, E) → distanceFE
18. Distance(E, D) → distanceED
19. Angle(F, E, D) → γ
20. Angle(E, D, F) → δ
21. Angle(e, f) → ε