题型:解答题
难度:0.65
引用次数:274
题号:9987079
如图,已知
,点
、
在线段
上,
与
交于点
,且
,
.
求证:(1)
.
(2)若
,求证:
平分
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fec9e3bf7ff287df2cbdff8addfaf5c.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb27272b4eb9ed057dd3b4d40697e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
求证:(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a3600b1760a63a10c9a0429b439dc1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4259b4381b359c92a63c4108a687c090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
![](https://img.xkw.com/dksih/QBM/2020/4/7/2436557114335232/2437260075155457/STEM/c2810d23aa444edfa5af5f6dddc5365b.png?resizew=194)
更新时间:2020-04-08 21:21:13
|
【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,在
中,∠CAB=90°,AC=AB,射线AM与CB交于H点,分别过C点、B点作CF⊥AM,BE⊥AM,垂足分别为F点和E点.
(1)若AF=4,AE=1,请求出AB的长;
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(1)若AF=4,AE=1,请求出AB的长;
(2)若D点是BC中点,连结FD,求证:BE=
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您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,△ABC和△ADE是共顶点A的两个全等的等边三角形.
(1)连接BD,CE,求证:BD=CE;
(2)在备用图1中,连接BE,CD,求证:BE∥CD.
(1)连接BD,CE,求证:BD=CE;
(2)在备用图1中,连接BE,CD,求证:BE∥CD.
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853092381687808/2863181122953216/STEM/917accd9-5d97-4a2b-8282-3bf189f2e73d.png)
您最近一年使用:0次