如图,
平分
交
于
,交
于
,
.
(1)求证:
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b973f048d823dbda40810d7966dd47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4e363bfd418579e6229230df034bbc.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b30d92406c85143f39ab4f47922f0f0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3daf661e72bddd36989339e7ebccf4c.png)
![](https://img.xkw.com/dksih/QBM/2020/3/14/2419364313628672/2419518877057024/STEM/1c1b7dff88f749f9af4104bfce7cbbe3.png?resizew=185)
更新时间:2020-03-14 19:46:40
|
【知识点】 全等三角形综合问题
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解答题-证明题
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适中
(0.65)
【推荐1】如图,CA=CD,CE=CB,求证:AB=DE.
![](https://img.xkw.com/dksih/QBM/2018/8/25/2018091293122560/2018262497370112/STEM/3fe19c7aa45a4bffbf3936e624ba4b0c.png?resizew=121)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】如图,把△EFP按图示方式放置在菱形ABCD中,使得顶点E、F、P分别在线段AB、AD、AC上,已知EP=FP=4,EF=4
,∠BAD=60°,且AB>4
.
(1)求∠EPF的大小;
(2)若AP=6,求AE+AF的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求∠EPF的大小;
(2)若AP=6,求AE+AF的值.
![](https://img.xkw.com/dksih/QBM/2018/3/26/1910345831931904/1914793365725184/STEM/cac1d37e0fe046e1bf0079ee74691eab.png?resizew=156)
您最近一年使用:0次