多边形内角和 by Soowook Lee

GeoGebra 命令及参数

1. Polygon(A, B, C) → poly1, c, a, b
2. Polygon(D, E, F, G) → poly2, d, e, f, g
3. Polygon(H, I, J, K, L) → poly3, h, i, j, k, l
4. Polygon(M, N, O, P, Q, R) → poly4, m, n, o, p, q, r
5. Angle(B, A, C) → α
6. Angle(C, B, A) → β
7. Angle(A, C, B) → γ
8. Sum({Angle[B, A, C], Angle[C, B, A], Angle[A, C, B]}) → δ
9. Angle(E, D, G) → ε
10. Angle(F, E, D) → ζ
11. Angle(G, F, E) → η
12. Angle(D, G, F) → θ
13. Sum({Angle[E, D, G], Angle[F, E, D], Angle[G, F, E], Angle[D, G, F]}) → ι
14. Angle(I, H, L) → κ
15. Angle(J, I, H) → λ
16. Angle(K, J, I) → μ
17. Angle(L, K, J) → ν
18. Angle(H, L, K) → ξ
19. Sum({Angle[I, H, L], Angle[J, I, H], Angle[K, J, I], Angle[L, K, J], Angle[H, L, K]}) → ο
20. Angle(R, M, N) → ρ
21. Angle(Q, R, M) → σ
22. Angle(P, Q, R) → τ
23. Angle(O, P, Q) → υ
24. Angle(P, O, N) → ϕ
25. Angle(N, O, P) → χ
26. Angle(M, N, O) → ψ
27. Sum({Angle[R, M, N], Angle[M, N, O], Angle[N, O, P], Angle[O, P, Q], Angle[P, Q, R], Angle[Q, R, M]}) → ω