立方体与对角线
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①本范例演示立方体及其空间对角线的几何关系与计算;②涉及核心数学概念包括立体几何、向量、三角函数、空间坐标变换;③作图要点运用了 GeoGebra 命令 Sequence(数列)、Element(元素)、Point(点)、Polygon(多边形)、Segment(线段)、Matrix(矩阵)、Transform(变换)等;④适合高中及以上学生用于立体几何、空间向量与变换的教学与可视化探究。
GeoGebra 命令及参数
Sequence((Mat * Element[cube, k]), k, 1, 8) → cube'Element(Element[AE, 3], 1) → droiteSequence(I + (Element[cube', k, 1, 1], Element[cube', k, 2, 1]), k, 1, 8) → listepointsPoint(listepoints) → EElement(AB, 3, 1) → avantElement(AC, 3, 1) → dessusPoint(listepoints) → HPoint(listepoints) → GPoint(listepoints) → FPolygon(H, G, F, E) → poly7, j_2, k_1, l_1, c_5Point(listepoints) → DPoint(listepoints) → CPolygon(H, D, C, G) → poly8, j_3, m_1, n_1, k_2Point(listepoints) → BPolygon(G, F, B, C) → poly9, k_3, l_2, q_1, n_2Point(listepoints) → APolygon(H, E, A, D) → poly1, j, c, a_1, mPolygon(B, A, E, F) → poly2, q, a_2, c_1, lPolygon(A, B, C, D) → poly3, a_3, q_2, n, m_2Segment(A, D) → a'_1Segment(H, E) → j'_1Segment(G, F) → k'_3Segment(F, B) → l'_2Segment(D, H) → m'Segment(C, G) → n'_2Segment(B, C) → q'_1Segment(D, C) → m'_1Segment(B, A) → q'Segment(G, H) → j'Segment(C, G) → l'Segment(E, F) → l''Segment(E, A) → l''''Segment(D, C) → k''''Segment(E, A) → k'''Segment(A, C) → gSegment(E, C) → rhSegment(C, A) → segPoint(k_1) → JPoint(a_1) → KPoint(c_5) → LSegment(K, L) → rkSegment(J, L) → rp
AI 绘图提示语参考
画一个立方体,并展示其空间对角线。首先构建立方体的八个顶点,然后连接这些顶点形成立方体的各个面。接着,找出立方体的空间对角线,并用不同的颜色或线型标示出来。最后,将这些对角线与立方体的边结合,展示立方体的三维结构和空间对角线的几何关系。
以上提示语为根据原始绘图命令整理而来,仅供参考。