如图,在
和
中,
,
,
,点
在边
上,连结
.若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6523615f59be6afb9c85a8fd13986189.png)
_______ (用含
的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa8cee7d2463f6f7d352e8b65f47cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507e12d9f005670d07bb30c15ee8596c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2ab6940dca62be1f3b2b5f8531990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd9776aa108071b50b71adf181bbdaf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9ab5a9114daaa0fd3f6c5f1885f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6523615f59be6afb9c85a8fd13986189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/2020/6/10/2481798791094272/2484685005783041/STEM/e76d25e5dfb3407f9b692b969076b530.png?resizew=141)
更新时间:2020-06-22 13:11:04
|
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名校
【推荐1】如图.四边形
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【推荐2】如图,△ABC中,∠C=90°,AC=BC,AD平分∠BAC, 点E正好在BD的垂直平分线上,且AB=6,则△DBE的周长是___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/26/2fab48d3-36d7-4663-9f6d-b41692cf4068.png?resizew=138)
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【推荐1】如图,在
中,内角
与外角
的平分线相交于点P,
,
与
交于点H,
交
于点F,交
于点G,连接
.
下列结论:①
;②
;③
垂直平分
;④
.其中,正确的结论有_____________ .(填序号)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e69d973f63f30834020208e96d8d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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下列结论:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d810fd8a909330bb234c17e9f52b6218.png)
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【推荐2】如图,在
中,
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三者之间的数量关系是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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