三角形思维导图

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

1

1. 三角形

1. 定义

1. 外角和 2. 概念

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3. 内角和

2. 分类

1. 按边

1. 不等边三菜形2.

3.

2. 按角

1. 锐角三角形 2. 钝角三角形

3. 直角三角形 4.

3. 性质

1. 2. 3.

4. 判定

2

2. 附錄

1. 浮動圖像

2. 浮動文字

1.

3

4