如图,在平行四边形
中,点E是
的中点,延长
到点F,使
,连接
.若
,
,则
的长等于 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f677a344398c46468e008400addd5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eac942d1a4cdd1a315e17089bae3da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef1251bee2be7581bea92a4111b9f33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9905ed12d0201112ff362afe3f21c7b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/ffe4418c-d279-4ece-bb4b-5e1de02eb257.png?resizew=232)
更新时间:2023-08-27 23:35:13
|
相似题推荐
填空题
|
较难
(0.4)
【推荐1】如图:已知点A、B是反比例函数y=﹣
上在第二象限内的分支上的两个点,点C(0,3),且△ABC满足AC=BC,∠ACB=90°,则线段AB的长为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168e61741a49e507fce9a9694ef31a4.png)
![](https://img.xkw.com/dksih/QBM/2017/6/2/1700279335362560/1700474874691584/STEM/68a02e63de554c4c85568eaed20daf08.png?resizew=102)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐2】如图,在
中,
,
平分
,交
于点D.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b903796831a684296f24e836b1fa7770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f01c4faacedfe56f5127d6c0cc63cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/19/8169ec2f-f7cb-465e-95ef-559a392a19c2.png?resizew=173)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图,在平行四边形
中,
,
于点
,
为
的中点,连接
、
,下列结论:①
;②
;③
;④
;其中正确结论有_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f62cec6f26ed02649be24efe08c985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a161d8b6f68b751df8d694a6cc562896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184daf07b1573ad173f4a71a6d5c6289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8bc98ff21622e49192aaca50ab4193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96225faebd4f6bdfd6695c94cb67f0df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebc66cff2bc9e59f384cfc7c800578f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/9cae5ce5-cda3-4983-a997-3d242667afa9.png?resizew=156)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,在⊙B中,弧AC所对的圆心角∠ABC=50°,点E是弧AC上的动点,以BC、CE为邻边构造平行四边形BCED.当∠A=______ °时,线段AD最短.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/8d935189-7b55-4b29-a837-67c8a3cba08e.png?resizew=183)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图,在锐角三角形ABC中,
,
,
于点N,
于点M,连接MN,则△AMN面积的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ac28300251806a2f96c7bbd442eda1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31582207ce5e0783e83283b8cd2bbeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b47a08a25693bbfa01026573625ad15.png)
![](https://img.xkw.com/dksih/QBM/2022/5/27/2988455519232000/2989717985017856/STEM/923ab10f9e3e4706a690284dac4f9a33.png?resizew=147)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,在边长为
的等边
中,动点
在
边上(与点
,
均不重合),点
在边
上,且
,
与
相交于点
,连接
当点
在
边上运动时,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e6363330b33ca9feda927e6ffd3088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a87ee38098a46967330a58177f55d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
您最近一年使用:0次