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高中数学多面体外接球半径的计算方法之—定心大法

Author(s)：
陈小平

Publication Title：

Wen Yuan (Middle School Edition) 2021 No.06

Affiliations：
巴州第二中学新疆巴州 841000

Abstract：
高考数学中，多面体的外接球经常出现在我们面前，学生面对多面体的外接球往往束手无策，老师在讲解多面体外接球时也时常感到力不从心，其实，不管求多面体外接球的体积，还是求多面体外接球的表面积，其核心思想就是要求出其半径，要求出其半径，核心思想就是要找到球心，所以，如何找到外接球的球心是我们的关键。

Keywords：
多面体外接球；三棱锥；顶点在球面上

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[1] 陈小平.高中数学多面体外接球半径的计算方法之—定心大法[J].Wen Yuan (Middle School Edition),2021(06),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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