矩形的对角线 by Jeff Eichas

GeoGebra 命令及参数

1. Circle(C, B) → c
2. Line(B, C) → f
3. Intersect(c, f, 2) → S
4. Point(c) → A
5. Line(A, C) → g
6. Intersect(c, g, 2) → E
7. Segment(S, E) → h
8. Segment(B, E) → i
9. Segment(B, A) → j
10. Segment(A, S) → k
11. Segment(S, B) → l
12. Segment(A, E) → m
13. Angle(A, C, S) → α
14. Distance(A, C) → distanceDA
15. Distance(B, C) → distanceBA
16. Distance(E, C) → distanceEA
17. Distance(S, C) → distanceCA
18. Distance(S, B) → distanceCB
19. Distance(E, A) → distanceED