如图,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545ca461da2550fc7cc0548fb94529d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52273305805769a438772342b53c289e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/6ec1b7e5-75e7-4867-a207-991150c8ae3a.png?resizew=131)
更新时间:2022-11-25 09:19:04
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【知识点】 用SAS直接证明三角形全等(SAS)解读
相似题推荐
解答题-证明题
|
较易
(0.85)
名校
【推荐1】如图,在正方形
的外侧,作等边三角形
,连接
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b3e9a99b5b8258baab51f66d1a48ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc25b02d4ef3779256000d63904ae52f.png)
![](https://img.xkw.com/dksih/QBM/2023/4/24/3223219742752768/3238759948025856/STEM/4d86e6d606f94e10af155b93d34a234b.png?resizew=132)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】如图,在
中,
,
,边
上的中线
,延长
到点
,使
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/338cbf52-eec8-41c8-8c3a-ae3a542d58a1.png?resizew=177)
(1)求证:
;
(2)求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addb8e20db1fbb40f17dea52f951b907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad98ad714864041a632ca949308e417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/338cbf52-eec8-41c8-8c3a-ae3a542d58a1.png?resizew=177)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dcbc0a82c2495d16dd1dfcb7bb0e57.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次