如图,在
中,
,在线段
上取一点
,使
,作
交
延长线于点
.点
是线段
中点,连结
,
,
交
于点
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c15d2c191fbcc89fd4ce07502ebcb9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7305de9211785b826823153897b17517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c15d2c191fbcc89fd4ce07502ebcb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/6/7b6ef25c-0b64-40cb-a04a-ee614858be11.png?resizew=125)
更新时间:2024-02-15 20:13:39
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【推荐1】如图,在平行四边形ABCD中,DE⊥BC于点E,BF⊥CD于点F,DE和BF相交于点H,BF的延长线与AD的延长线相交于点G.若∠DBC=45°,现有以下四个说法:①BD=
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【推荐2】如图,在长方形
中,
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【推荐1】如图,在中,
分别是其角平分线和中线,过点C作
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【推荐2】如图,在平面直角坐标系中,
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