立方体截面14种类型
几何画板及绘图内容加载中,请稍等……
①本范例演示了通过不同平面截取立方体所得到的14种不同截面图形;②涉及的核心数学概念包括立体几何、截面、多边形、三角函数等;③作图要点——从下方『构造摘要』提炼用到了Point(点)、Cube(立方体)、Segment(线段)、Plane(平面)、IntersectPath(路径相交)、Midpoint(中点)、Line(直线)、Intersect(相交)、Polygon(多边形)等GeoGebra命令/对象;④适合高中及以上学生学习和理解复杂几何体截面性质,也可用于数学教学演示。
GeoGebra 命令及参数
Point(Circle[B, Distance[A, B], Segment[A, B]]) → ECube(A, B, E) → a, F, FlächeEFJI, FlächeGHIJ, KanteAF, KanteAB, KanteBE, KanteEF, KanteAG, KanteFJ, KanteGJ, KanteGH, G, KanteBH, KanteHI, KanteEI, KanteIJ, H, I, J, FlächeABEF, FlächeAFJG, FlächeABHG, FlächeBEIHSegment(H, I) → fPoint(KanteGH) → DPoint(KanteBH) → KPoint(KanteHI) → LPlane(D, K, L) → dIntersectPath(d, a) → Vieleck1, M, N, O, g, h, iMidpoint(G, H) → PMidpoint(H, I) → QPoint(KanteBH) → RPlane(P, R, Q) → eIntersectPath(e, a) → Vieleck2, S, T, U, j, k, lMidpoint(G, H) → VMidpoint(H, I) → WMidpoint(H, B) → ZPlane(V, Z, W) → mIntersectPath(m, a) → Vieleck3, A_1, B_1, C_1, n, p, qPoint(KanteBE) → F_1Plane(D_1, E_1, F_1) → oIntersectPath(o, a) → Vieleck4, G_1, H_1, I_1, J_1, r, s, t, f_1Point(KanteGH) → K_1Point(KanteHI) → L_1Plane(K_1, L_1, M_1) → uIntersectPath(u, a) → Vieleck5, N_1, O_1, P_1, Q_1, g_1, h_1, i_1, j_1Point(KanteBE) → R_1Plane(A, R_1, I) → vIntersectPath(v, a) → Vieleck6, S_1, T_1, U_1, V_1, k_1, l_1, m_1, n_1Point(KanteAG) → W_1Point(KanteBH) → Z_1Point(KanteEI) → A_2Plane(W_1, Z_1, A_2) → wIntersectPath(w, a) → Vieleck7, B_2, C_2, D_2, E_2, p_1, q_1, r_1, s_1Point(KanteGH) → F_2Line(F_2, KanteHI) → t_1Intersect(KanteIJ, t_1) → G_2Line(F_2, KanteBH) → a_1Intersect(a_1, KanteAB) → H_2Plane(F_2, H_2, G_2) → b_1IntersectPath(b_1, a) → Vieleck8, I_2, J_2, K_2, L_2, c_1, d_1, e_1, f_2Point(KanteAG) → M_2Point(KanteAB) → N_2Point(KanteEI) → O_2Plane(M_2, N_2, O_2) → o_1IntersectPath(o_1, a) → Vieleck9, P_2, j_2, k_2, l_2, Q_2, R_2, S_2, T_2, U_2, g_2, h_2, i_2Midpoint(KanteGJ) → V_2Midpoint(KanteAG) → W_2Midpoint(KanteAB) → Z_2Midpoint(KanteBE) → A_3Midpoint(KanteEI) → B_3Midpoint(KanteIJ) → C_3Plane(V_2, W_2, C_3) → u_1IntersectPath(u_1, a) → Vieleck10, D_3, q_2, r_2, s_2, E_3, F_3, G_3, H_3, I_3, m_2, n_2, p_2Point(KanteAG) → J_3Point(KanteAB) → K_3Point(KanteBE) → L_3Plane(J_3, K_3, L_3) → v_1IntersectPath(v_1, a) → Vieleck11, M_3, c_2, d_2, e_2, N_3, O_3, P_3, Q_3, R_3, t_2, a_2, b_2Point(KanteGH) → S_3Point(KanteHI) → T_3Point(KanteAB) → U_3Segment(S_3, T_3) → f_3Line(U_3, f_3) → g_3Intersect(KanteBE, g_3) → V_3Polygon(S_3, U_3, V_3, T_3) → v1, s_3, u_3, v_3, t_3Plane(S_3, U_3, T_3) → p_3
AI 绘图提示语参考
画一个立方体,然后通过不同的平面与立方体相交,展示14种不同的截面形状,包括三角形、四边形等,并标注关键点和截面形状,体现立体几何、截面、多边形和三角学等核心概念。
以上提示语为根据原始绘图命令整理而来,仅供参考。