如图,点
、
、
、
在同一直线上,
,
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a3600b1760a63a10c9a0429b439dc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439fbb8974a5f907205d26b47b420bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc6cfc2eafb07d6f690da4d5ca5a754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298fe516591c06e3183176021a8cf573.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/9/480832fa-1eaa-40c5-88b7-75d153568fb2.png?resizew=171)
更新时间:2023-05-28 11:36:33
|
【知识点】 用SAS直接证明三角形全等(SAS)解读
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解答题-应用题
|
容易
(0.94)
真题
【推荐2】如图,有一池塘,要测池塘两端A、B的距离,可先在平地上取一个点C,从点C不经过池塘可以直接到达点A和B,连接
并延长到点D,使
,连接
并延长到点E,使
,连接
,那么量出
的长就是A、B的距离,为什么?请结合解题过程,完成本题的证明.
和
中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa723364b38e76572677ae0d73bc81dd.png)
∴![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27aa8ed07fe2b877214aaf383ccff842.png)
∴____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e12457d5b7d0f2611f4cdc173ceb784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5357d8bbc8778d64cd38cff09ceb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa723364b38e76572677ae0d73bc81dd.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27aa8ed07fe2b877214aaf383ccff842.png)
∴____________
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