风筝形的性质 by shalverson2021

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Segment(A, B) → f
3. Circle(A, C) → d
4. Segment(A, C) → g
5. Segment(B, C) → h
6. Mirror(A, f) → A'
7. Mirror(C, f) → C'
8. Segment(A', C') → g'
9. Mirror(B, f) → B'
10. Mirror(C, f) → C'_1
11. Segment(B', C'_1) → h'
12. Angle(A, C', B) → α
13. Angle(B, C, A) → β
14. Angle(C, A, C') → γ
15. Angle(C', B, C) → δ
16. Segment(C', C) → i
17. Segment(A, B) → j
18. Intersect(i, j) → E
19. Distance(C', E) → distanceC'E
20. Distance(C, E) → distanceCE
21. Distance(A, E) → distanceAE
22. Distance(E, B) → distanceEB
23. Midpoint(E, B) →