正方形棱台
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这个范例演示了正方形棱台的构造。涉及的核心数学概念包括立体几何中的棱台定义与性质。通过使用GeoGebra命令如Polygon, Pyramid, Net, PointIn等,可以直观地展示棱台的各个面和边。适合初中及以上学生学习立体几何。
GeoGebra 命令及参数
Polygon(A, B, 4) → poly1, f, g, h, i, C, DPyramid(poly1, b) → c, F, faceABF, faceBCF, faceCDF, faceADF, edgeAF, edgeBF, edgeCF, edgeDFNet(c, a) → d, E, faceEGJ, faceGHK, faceHIL, faceEIM, edgeEG, edgeGH, edgeHI, edgeEI, edgeEJ, edgeGJ, G, edgeGK, edgeHK, edgeHL, edgeIL, edgeIM, edgeEM, H, I, J, K, L, M, faceEGHIPointIn(faceHIL) → PointfaceHILPointIn(faceEIM) → PointfaceEIMPointIn(faceEGHI) → PointfaceEGHIPointIn(faceGHK) → PointfaceGHKPointIn(faceEGJ) → PointfaceEGJ