斜棱柱 by alex.smith

斜棱柱 by alex.smith
几何画板及绘图内容加载中,请稍等……
2017-04-19 03:42
所属专题 Surface Area
①本范例演示了斜棱柱的三维形态与展开图;②涉及的核心数学概念包括棱柱、多边形、立体几何、几何作图;③作图要点——从下方『构造摘要』提炼用到了 Prism(棱柱)、Net(展开图)等 GeoGebra 命令,以及点(A, B, C, D, H, a, E, F, G)、线段(edgeAB, edgeBC 等)、面(faceABCD, faceABEH 等)等对象;④适合高中阶段学习立体几何的学生,用于理解斜棱柱的结构与展开特性。

GeoGebra 命令及参数

  1. Prism(A, B, C, D, H) → a, E, edgeAB, edgeBC, edgeCD, edgeAD, edgeAH, edgeBE, edgeCF, edgeDG, edgeEH, edgeEF, F, edgeFG, edgeGH, G, faceABCD, faceABEH, faceBCFE, faceCDGF, faceADGH, faceEFGH
  2. Net(a, b) → c, I, R, S, T, U, V, faceIJKL, faceIJNM, faceJKPO, faceKLRQ, faceILST, J, faceMNUV, edgeIJ, edgeJK, edgeKL, edgeIL, edgeIM, edgeMN, edgeJN, edgeJO, edgeOP, K, edgeKP, edgeKQ, edgeQR, edgeLR, edgeLS, edgeST, edgeIT, edgeNU, edgeUV, edgeMV, L, M, N, O, P, Q