棱柱的截面：动态探究与构造

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Point(Circle[A, b]) → B
3. Segment(A, B) → c
4. Polygon(A, B, a) → poly1, d, D, E, F, G, H, e, f, g, h, i, j, k, C
5. Prism(poly1, l) → m, I, faceBCKJ, faceCDLK, faceDEML, faceEFNM, faceFGON, faceAGOI, face1, faceIJKLMNO, edgeAI, edgeBJ, J, edgeCK, edgeDL, edgeEM, edgeFN, edgeGO, edge1, edgeIJ, edgeJK, edgeKL, edgeLM, K, edgeMN, edgeNO, edgeIO, edge2, L, M, N, O, S, faceABJI
6. Line(P, yAxis) → p
7. Line(P, xAxis) → q
8. Point(p) → Q
9. Point(q) → R
10. Rotate(R, α, p) → R'
11. Rotate(Q, (-β), q) → Q'
12. Plane(P, Q', R') → n
13. IntersectPath(n, m) → poly2, T, s, t, a_1, b_1, c_1, d_1, e_1, U, V, W, Z, A_1, B_1, C_1, r
14. Rotate(n, γ, zAxis) → i_1
15. Translate(i_1, Vector[(0, 0, 0), (w, 0, 0)]) → f_1
16. IntersectPath(f_1, m) → poly3, D_1, k_1, l_1, i_2, E_1, F_1, G_1, H_1, S_1, g_1, h_1, j_1
17. IntersectPath(i_1, m) → poly4, I_1, f_2, h_2, k_2, J_1, K_1, P_1, R_1, U_1, m_1, n_1, p_1