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正多边形的有关概念、正多边形与圆的关系【配套课件M我】优质课
正多边形的有关概念、正多边形与圆的关系【配套课件M我】优质课 概念:1.概念: 像这种各边相等、各角也相等的多边形叫做正多边形.如果一个正多边形有n(n3) 条边,就叫正n 2.概念理解:如果一个正多边形有 边形.等边三角形有三条... #ppt#教案#人教版初中数学教学资源#人教版初中数学课件##人教版初中数学九年级上册#九年级上册数 学课件#九年级上册数学公开课
人教版九年级上册数学优质课（配套课件M我）40/52
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