如图,已知
,
、
分别是
、
的中点.
![](https://img.xkw.com/dksih/QBM/2019/11/5/2327357626908672/2327404521848832/STEM/025c59cb187d43c2a99ee1d9975eb4c0.png?resizew=149)
(1)求证:
;
(2)在边
上能否找到一点
,使得
?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3798a74058ec4bc40b6d9b5d268c359b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/2019/11/5/2327357626908672/2327404521848832/STEM/025c59cb187d43c2a99ee1d9975eb4c0.png?resizew=149)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee50a23604ea2a9c1f3649dab97c2e7.png)
(2)在边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d0710321d97361e5782124bbf7f0c9.png)
更新时间:2019-11-05 16:19:31
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【推荐1】如图,点
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(1)求点B的坐标;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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解答题-证明题
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适中
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【推荐2】在矩形ABCD中,点E,F分别是边AD,BC上的动点,且DE=BF,连接EF.将矩形ABCD沿EF折叠,点A落在点G处,点B落在点H处.
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(1)如图①,当线段EG与线段BC交于点P时,求证:PE=PF;
(2)如图②,当线段EG的延长线与线段BC的延长线交于点P时.GH交线段CD交于点M,
①求证:△PCM≌△PGM;
②E,F在运动过程中,点M是否在线段EF的垂直平分线上?如果在,请证明;如果不在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/19/ffdc3c49-e90b-49f6-acb3-bd953f528dfd.png?resizew=474)
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②E,F在运动过程中,点M是否在线段EF的垂直平分线上?如果在,请证明;如果不在,请说明理由.
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解答题-证明题
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适中
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【推荐1】如图,在△ABC中,AB=AC,AD是△ABC的角平分线,FE是AC的垂直平分线,交AD于点F,连接BF.求证:AF=BF.
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解答题-证明题
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适中
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【推荐1】如图,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
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![](https://img.xkw.com/dksih/QBM/2021/10/13/2828466024587264/2829716188413952/STEM/6b70e907-362f-49c9-9d20-126b4803bd67.png)
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解答题-证明题
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适中
(0.65)
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;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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(2)
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