三角形思维导图

三角形TOC \u \h1. 三角形 PAGEREF _Toc256000000 \h 21. 定义 PAGEREF _Toc256000001 \h 21. 外角和 PAGEREF _T

精品文档，仅供学习与交流，如有侵权请联系网站删除 三角形 1.三角形 ............................................................................................................... 2 1.定义 ............................................................................................................... 2 1.外角和 ........................................................................................................ 2 2.概念 ............................................................................................................ 2 3.内角和 ........................................................................................................ 2 2.分类 ............................................................................................................... 2 1.按边 ............................................................................................................ 2 1.不等边三菜形 .......................................................................................... 2 2. ................................................................................................................ 2 3. ................................................................................................................ 2 2.按角 ............................................................................................................ 2 1.锐角三角形 ............................................................................................. 2 2.钝角三角形 ............................................................................................. 2 3.直角三角形 ............................................................................................. 2 4. ................................................................................................................ 2 3.性质 ............................................................................................................... 2 1. .................................................................................................................... 2 2. .................................................................................................................... 2 3. .................................................................................................................... 2 4.判定 ............................................................................................................... 2 2.附錄 .................................................................................................................... 3 1.浮動圖像 ......................................................................................................... 3 2.浮動文字 ......................................................................................................... 3 1. .................................................................................................................... 3 【精品文档】 第1页