如图,在矩形
中,
,
,点P在
上,点Q在
上,且
,连接
、
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.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/7341c7d3b742bf451457145206782711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e325ee56aba5c736e52ac6fb43dab058.png)
A.10 | B.11 | C.12 | D.13 |
更新时间:2024-05-24 14:04:07
|
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【推荐1】如图所示,
是线段
,
的垂直平分线的交点,若
,
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的大小是( )
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45723dce96b74f027adcb1a4ecd19db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03be44b21af5ec5ae029ff81aad5c4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在
中,
边垂直平分线
交
于点
,
边垂直平分线
交
于点
,连接
,
.若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2020/11/14/2592745039396864/2596972585320448/STEM/aed10a30-e88e-4d0c-b080-2038665886cc.png?resizew=281)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,
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,连接
,则当点
在
上运动时,下列说法中,错误的是( )
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A.当![]() ![]() ![]() ![]() |
B.当点![]() ![]() ![]() |
C.当点![]() ![]() ![]() |
D.当点![]() ![]() ![]() |
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【推荐2】如图,矩形
的对角线
相交于点
,过点
作
交
于点
,若
,
,则
的长为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d578394cd8e4d7a705599269c512960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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【推荐1】如图,在正方形ABCD中,AB=4,E为对角线AC上与A,C不重合的一个动点,过点E作EF⊥AB于点F,EG⊥BC于点G,连接DE,FG,下列结论:①DE=FG;②DE⊥FG;③∠EGF=∠ADE;④FG的最小值为2,其中正确结论的个数有( )
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【推荐2】如图,矩形ABCD中,点E在BC边上,DF⊥AE于F,若EF=CE=1,AB=3,则线段AF的长为( )
![](https://img.xkw.com/dksih/QBM/2020/9/15/2556907828805632/2560115349209088/STEM/9f1e0ccce55e4fac81386362b7437bdc.png?resizew=153)
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【推荐1】如图,
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【推荐2】如图,在锐角三角形ABC中,BC=4,∠ABC=60°, BD平分∠ABC,交AC于点D,M、N分别是BD,BC上的动点,则CM+MN的最小值是( )
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