我们知道订书针的两条短边垂直长边.如图是由三枚完全相同的订书针
,
,
拼成的图形,点B,E,C,F在同一条直线上,点D,K,L分别在
,
,
上,
,
.当点
,I重合时,
的长度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/fbddd956-d763-4521-910b-384931bb74a1.png?resizew=264)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ebb3eb6f2b5bed1f3e24e9fc079934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd1371651131e0fc621284a4d037cd8a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c56ffc1f3244957d01e53013868fa76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/fbddd956-d763-4521-910b-384931bb74a1.png?resizew=264)
A.![]() | B.![]() | C.![]() | D.![]() |
2023·浙江金华·一模 查看更多[1]
更新时间:2023-05-04 09:18:45
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相似题推荐
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【推荐1】如图,四边形
,对角线
,且平分
,O为
的中点.在
上取一点G,使
,E为垂足,取
中点F,连接
.下列五句判断:①
;②
;③
;④连接
,则四边形
是平行四边形;⑤
.其中判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b455b110a30c1533d0a0657e0e48ac33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb25434985431dcc5c33fcbb3354b786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0d3515f6a83b1c65817741ccd334f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d354155f71a1736c1c9186168695edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877e17431741072349c394805cc7ae0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
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A.①③④ | B.③④⑤ | C.②④⑤ | D.②③④ |
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【推荐2】如图,在
中,
,点
是
的中点,延长
至点
,使得
,过点
作
于点
,
为
的中点,给出结论:①
;②
;③
;④
.其中正确的有( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/8/fccb6fc1-57de-45c5-9524-71b9f323ee4e.png?resizew=177)
A.4 | B.3 | C.2 | D.1 |
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名校
【推荐1】如图,四边形
为矩形,对角线
与
相交于点O,点E在边
上,连接
,过D做
,重足为F,连接
,若
,
,则
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8689d619c2508c9000531fc1b8f1f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf14bc3bfe884ddfff067ba7f410b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82773737609e65dea3c5c67099f1b10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,⊙O的半径为2,AB,CD是互相垂直的两条直径,点P是⊙O上任意一点(点P与点A,B,C,D不重合),过点P作
于点M,
于点N,点Q是MN的中点,当点P沿着圆周转过90°时,点Q走过的路径长为( )
![](https://img.xkw.com/dksih/QBM/2022/1/3/2893673571319808/2950945700724736/STEM/bcfedbf3-e8db-4f89-984d-99d208675b85.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ededa0e19291b5b7eb9884af5bdeb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd378d3805a3d8295aec88bf3684f67.png)
![](https://img.xkw.com/dksih/QBM/2022/1/3/2893673571319808/2950945700724736/STEM/bcfedbf3-e8db-4f89-984d-99d208675b85.png?resizew=194)
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真题
【推荐1】如图,在连长为4的正方形ABCD中,E、F是AD边上的两个动点,且AE=FD,连接BE、CF、BD,CF与BD交于点H,连接DH.下列结论正确的个数是( )
①△ABG∽△FDG;②HD平分∠EHG;③AG⊥BE;④S△HDG:S△HBG=tan∠DAG;⑤线段DH的最小值是2
-2
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773762363883520/1773762364153856/STEM/d30e6d2350f64a909d3c25b216b6632a.png?resizew=105)
①△ABG∽△FDG;②HD平分∠EHG;③AG⊥BE;④S△HDG:S△HBG=tan∠DAG;⑤线段DH的最小值是2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/2017/8/1/1773762363883520/1773762364153856/STEM/d30e6d2350f64a909d3c25b216b6632a.png?resizew=105)
A.2 | B.3 | C.4 | D.5 |
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【推荐2】如图,在平面直角坐标系中,点
,点
、
在
轴上,且
,将
绕点
逆时针旋转
后得到
,
是
上一点,且
,连接
、
,若
,反比例函数
的图象恰好经过点
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c33700c3358cbbd8db376f9f0613b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/ba7a3fa9-babe-4db1-9278-8d2b7d358709.png?resizew=197)
A.![]() | B.![]() | C.![]() | D.![]() |
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