如图,在
中,
,
,
,点
是
的中点,点
是边
上一动点,沿
所在直线把
翻折到
的位置,
交
于点
.若
为直角三角形,则
的长为____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3f1d2807be6d574e04ca9c6e721b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ab4e30ef4f3c4ccb981c1c43d4657e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab41cce6eb2d3058a644314865d16548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff18dc80a062e40d29d6f621454dc67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
更新时间:2024-04-01 21:05:22
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【推荐1】如图,在正方形
中,
,点
在边
上,
.将
沿
对折至
,延长
交边
于点
,连接
,
.有下列结论:①
;②
;③
;④
.其中正确的结论是__________ .(填序号)
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【推荐2】已知:如图,在正方形
中,点E、F、G分别在
、
、
上,
,
,
,
,
与
交于点P,连接
,则
的最小值为______ .
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【推荐1】等边
中,
,D是
上一点,
沿
折叠得到
. 当
时,
的长为_____________________
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9597e89b8715662738f26546546d5f.png)
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【推荐2】如图,在菱形ABCD中,
,M,N分别在AD,BC上,将四边形AMNB沿MN翻折能与四边形EMNF重合,且线段EF经过顶点D,若
,
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名校
【推荐1】如图所示,在四边形
中,
,
,连接
,点E为
上一点,将
沿
翻折,使
与
重合,得到
.若
且
,则
的长为______ .
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【推荐2】如图,折叠边长为4cm的正方形纸片
,折痕是
,点
落在点
处,分别延长
、
交
于点
、
,若点
是
边的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96cf3f9a01a810792ebacc7f5bc70e97.png)
______ cm.
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【推荐1】如图,在△ABC中,∠BAC=30°,AB=AC,AD是BC边上的中线,∠ACE=
∠BAC,CE交AB于点E,交AD于点F.若BC=2,则EF的长为__ .
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【推荐2】如图所示,
为矩形
中
边上的一点,已知
,
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在矩形
内部,且
,则
的最小值为______ .
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