如图,如图,
是四边形
的对角线
上的两点,
,
.
![](https://img.xkw.com/dksih/QBM/2021/4/30/2711091649798144/2721626308173824/STEM/14280e77-f9fd-44d8-b48c-adc3f419bc73.png?resizew=270)
求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde16bbffd63bbd57f101b3e5d5147b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://img.xkw.com/dksih/QBM/2021/4/30/2711091649798144/2721626308173824/STEM/14280e77-f9fd-44d8-b48c-adc3f419bc73.png?resizew=270)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8f7a3cf5a6acc41c4932eb8548e9e7.png)
更新时间:2021-05-15 15:45:48
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【知识点】 用SAS直接证明三角形全等(SAS)解读
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【推荐2】如图,C是AB的中点,CD
BE,CD=BE,连接AD,CE.求证:AD=CE.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbfed4adc6b576f875ce75e35ed4b34.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/5cfca779-b7c4-4abf-b1e3-f4eb478a9a5d.png?resizew=144)
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