探索三角函数比值 by M. Herring

GeoGebra 命令及参数

1. Polygon(A, B, C) → poly1, c, a, b
2. Polygon(D, E, F) → poly2, f, d, e
3. Polygon(G, H, I) → poly3, i, g, h
4. Polygon(J, K, L) → poly4, l, j, k
5. Angle(C, B, A) → α
6. Angle(I, H, G) → β
7. Angle(D, E, F) → γ
8. Angle(J, K, L) → δ
9. Polygon(M, N, O) → poly5, o, m, n
10. Angle(M, N, O) → ε
11. Angle(B, A, C) → ζ
12. Angle(G, I, H) → η
13. Angle(F, D, E) → θ
14. Angle(L, J, K) → ι
15. Angle(L, J, K) → κ
16. Angle(O, M, N) → λ