多边形内角和 by David Smith

GeoGebra 命令及参数

1. Polygon(A, B, C, D, E) → poly1, a, b, c, d, e
2. Polygon(F, G, H) → poly2, h, f, g
3. Polygon(I, J, K) → poly3, k, i, j
4. Polygon(L, M, N) → poly4, n, l, m
5. Polygon(O, P, Q, R, S, T) → poly5, o, p, q, r, s, t
6. Polygon(Z, A_1, B_1, C_1) → poly7, z, a_1, b_1, c_1
7. Polygon(F_1, G_1, H_1) → poly2_1, h_1, f_1, g_1
8. Polygon(F_2, G_2, H_2) → poly2_2, h_2, f_2, g_2
9. Polygon(I_1, J_1, K_1) → poly3_1, k_1, i_1, j_1
10. Polygon(I_2, J_2, K_2) → poly3_2, k_2, i_2, j_2
11. Polygon(L_1, M_1, N_1) → poly4_1, n_1, l_1, m_1
12. Polygon(D_1, E_1, O_1) → poly8, o_1, d_1, e_1