如图,
于点D,
于点G,
.试说明:
平分
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/75068dd3-e274-458a-8bfd-50a502665d7d.png?resizew=158)
完成下列解答过程,并填空(理由或数学式)
证明:∵
,
,( )
∴
( )
∴
( ).( )
.( )
∵
,(已知)
∴
.( )
∴
平分
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c13ab7f17263c4e6163d960f1c5060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e43ae351c7916dce6acf0fa9f048e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/75068dd3-e274-458a-8bfd-50a502665d7d.png?resizew=158)
完成下列解答过程,并填空(理由或数学式)
证明:∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c13ab7f17263c4e6163d960f1c5060.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7001a66f455724e72b5b189687c4b2.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b83764876be47a196fd5f408763738a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba02910a01689f636c71116e96dfdf33.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e43ae351c7916dce6acf0fa9f048e8.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
更新时间:2024-02-29 17:39:47
|
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【推荐1】已知:O为直线
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图1 图2 图3
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7b793dfeac5fdd6032f14a8eb4fd3f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
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解答题-证明题
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适中
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【推荐2】如图,
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适中
(0.65)
【推荐1】已知,如图,
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于
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解答题-证明题
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适中
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(1)求证:
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(2)试判断
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
您最近一年使用:0次