如图,点B,E,C,F在一条直线上,AB=DE,∠B=∠DEF,BE=CF.求证:AC∥DF.
![](https://img.xkw.com/dksih/QBM/2021/11/17/2852987182587904/2863240156880896/STEM/f556aa39-0860-44d7-bdf9-35abaad758d2.png?resizew=186)
更新时间:2021-12-01 17:39:55
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【知识点】 全等的性质和SAS综合(SAS)解读
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解答题-证明题
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【推荐1】如图,
中,点
在
边上,
,将线段
绕点
旋转到
的位置,使得
,连接
,
与
交于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(1)求证:
;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5fc6ead6416492c231c320a5486f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2b3d993a79210952ef190542700111.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)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dab0c0c0f988903f228a6510208420.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a858e3fda1505e5aede22f4d6edd3f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d02e076d58a94b85a02e24b4a534f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600f68bbb24b2f34b6f5ebca90939535.png)
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【推荐2】如图,在▱ABCD中,对角线AC,BD相交于点O,点E、F分别在边AD,BC上,且DE=BF,连接OE,OF.求证:OE=OF.
![](https://img.xkw.com/dksih/QBM/2019/2/9/2137014585753600/null/STEM/60f60e5b2b8d48f09c092056833ba914.png?resizew=176)
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