圆内接多边形与半圆定理练习

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → O
2. Circle(O, 10) → circle
3. Point(circle) → A
4. Tangent(A, circle) → a,
5. Ray(A, O) → b
6. Intersect(circle, b, 2) → B
7. Rotate(O, 326*°, B) → O'_1
8. Angle(O'_1, B, O) → β_1
9. Ray(B, O'_1) → c
10. Intersect(circle, c, 2) → C
11. Segment(A, C) → d
12. Segment(C, B) → e
13. Segment(A, B) → f
14. Point(circle) → D
15. CircumcircleArc(C, D, B) → g
16. LineBisector(C, B) → h
17. Angle(e, h) → γ
18. Point(g) → E
19. Point(h) → F
20. CircumcircleArc(C, E, F) → k
21. CircumcircleArc(F, D, B) → p
22. Segment(O, F) → i
23. Segment(F, A) → j
24. Angle(F, A, C) → α
25. Point(circle) → G
26. Intersect(c, e) → H
27. Intersect(c, e) → I
28. Intersect(j, c) → J
29. Segment(C, B) → l
30. Segment(F, A) → m
31. Angle(C, J, A) → β
32. Polygon(A, F, C) → polígono1, c_1, a_1, f_1
33. Polygon(A, B, F) → polígono2, f_2, a_2, b_1
34. Angle(B, A, F) → δ
35. Angle(A, C, B) → ϕ
36. Polygon(A, B, C) → polígono3, c_2, a_3, b_2
37. Angle(B, A, C) → ε
38. Angle(F, A, C) → ζ
39. Angle(C, J, A) → η