多边形外角和 by rikeylee (3)

GeoGebra 命令及参数

1. Ray(A, B) → a
2. Ray(B, C) → b
3. Ray(C, D) → c
4. Ray(D, E) → d
5. Ray(E, F) → e
6. Ray(F, G) → f
7. Ray(G, H) → g
8. Ray(H, A) → h
9. Polygon(H, A, B, C, D, E, F, G) → poly1, h_1, a_1, b_1, c_1, d_1, e_1, f_1, g_1
10. Point(g) → I
11. Point(h) → J
12. Point(a) → K
13. Point(b) → L
14. Point(c) → M
15. Point(d) → N
16. Point(e) → O
17. Point(f) → P
18. Angle(A, H, I) → α
19. Angle(B, A, J) → β
20. Angle(C, B, K) → γ
21. Angle(D, C, L) → δ
22. Angle(E, D, M) → ε
23. Angle(F, E, N) → ζ
24. Angle(G, F, O) → η
25. Angle(H, G, P) → θ