所有矩形都相似吗？ by Dolores Strom

GeoGebra 命令及参数

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