角度类型练习

GeoGebra 命令及参数

1. Point(Circle[A_1, 5]) → B_1
2. Polygon(A_1, B_1, C_1, D_1, E_1, F_1, B_1, A_1) → poly1, a, b, c, d, e, f, b_1, a_1
3. Point(L7) → B_2
4. Point(L7) → A_2
5. Segment((0, 0), B_2) → g
6. Segment((0, 0), A_2) → h
7. Intersect(g, h) → O
8. Polygon(B, C, D, E, F, A) → poly2, g_1, h_1, i, j, k, l
9. Angle(C, B, A) → β
10. Angle(D, C, B) → γ
11. Angle(E, D, C) → δ
12. Angle(F, E, D) → ε
13. Angle(A, F, E) → ζ
14. Angle(B, A, F) → α
15. Element(L1, SelectedIndex[L1]) → ans1
16. Element(L2, SelectedIndex[L2]) → ans2
17. Element(L3, SelectedIndex[L3]) → ans3
18. Element(L4, SelectedIndex[L4]) → ans4
19. Element(L5, SelectedIndex[L5]) → ans5
20. Element(L6, SelectedIndex[L6]) → ans6
21. Element(L7, SelectedIndex[L7]) → clsno