10边形面积比

GeoGebra 命令及参数

1. Polygon(A, B, 10) → poly1, f, p, C, D, E, F, G, H, I, J, g, h, i, j, k, l, m, n
2. LineBisector(H, G) → q
3. LineBisector(F, E) → r
4. Intersect(q, r) → K
5. Segment(H, G) → s
6. Intersect(q, l) → L
7. Intersect(r, j) → M
8. Circle(K, M) → d
9. Intersect(d, n, 1) → Q
10. Segment(L, K) → m_1
11. Segment(K, E) → r_1
12. Intersect(d, h, 1) → A_1
13. Intersect(d, m, 1) → B_1
14. Polygon(B_1, Q, 10) → poly3, q_1, g_2, C_1, D_1, E_1, F_1, G_1, H_1, I_1, J_1, s_1, t_1, a_1, b_1, c_1, d_1, e_1, f_2
15. Intersect(r_1, d_1) → P
16. Segment(K, P) → a
17. Segment(M, G_1) → b