如图,矩形
中,O为
的中点,过点O的直线分别与
,
交于点E,F,连接
交
于点M,连接
,
.若
,
,则下列结论①
;②
;③
,其中正确结论的个数是( )
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c0ec189655594ca472774c3ae420f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb6abd4e67785049f8ea82d2309f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8fd68cf59f4ce7813122616644e38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70da7465a47de95fcf7be6dbf68e5de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb97c75d3daf4cc5a1b8fc89f032d312.png)
![](https://img.xkw.com/dksih/QBM/2023/7/11/3278672971800576/3285923214589952/STEM/9d1a5ebc450441a58ae4e879bd9b5282.png?resizew=137)
A.0 | B.1 | C.2 | D.3 |
更新时间:2023-07-25 20:18:40
|
相似题推荐
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【推荐1】如图,在
的两边上截取
,连接
交于点P,则
;③P在
的平分线上,其中结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd263f9d95cee40b3a210e7068c09116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa16498b83d2df4608888d3f4466e2cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e01a708c3f56bcdb98cc5f4b07c70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/76d95de2-a9c6-4a70-a6b5-f7280553f485.png?resizew=129)
A.① | B.② | C.①② | D.①②③ |
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【推荐2】如图,点
是线段
所在的直线外一点,小明进行了如下的“尺规作图”:
①以点
为圆心,
为半径画弧;
②以点
为圆心,
为半径画弧,两弧交于点
;
③作直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
则下面结论正确的是:( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/5/b7cd481c-4f5a-4928-b5fd-e9c265927682.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
①以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
②以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
③作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
则下面结论正确的是:( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/5/b7cd481c-4f5a-4928-b5fd-e9c265927682.png?resizew=127)
A.![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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【推荐1】如图,正方形
的边长为
,点
在边
上运动且不与点
、
重合,
,点
在射线
上,且
,
与
相交于点
,连结
、
,
.则下列结论:(1)
;(2)
;(3)
;(4)
的周长为
.其中正确的结论是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6861199a0ba13fc6bd649f3ff60ef597.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa1b5b6051d500fe6c6f1c19c7ee49f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0d5c44ccbfd87f8016a00b32948f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00870385ca7f3214e2971779eb4c7904.png)
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A.4个 | B.3个 | C.2个 | D.1个 |
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名校
【推荐2】如图,在
中,顶点
,
,
,将
与正方形
组成的图形绕点B顺时针旋转,每次旋转
,则第2025次旋转结束时,点D的坐标为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d82ce1b2ab811e07c2a9aee798958ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9412b2f37124a6f9c10d29623e3725d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】如图,
中,
,将
绕着点
旋转至
,点
的对应点点
恰好落在
边上.若
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417903869345792/2418182619127808/STEM/ed9ded28c487419b896d481b76f3fedc.png?resizew=129)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f460edcced5597615113c0fdc95b1dfc.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1f4f255d191786f7d330d278868c2d.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,等边△ABC的边AB上一点P,作PE⊥AC于E,Q为BC延长线上的一点,当PA=CQ时,连接PQ交AC于点D,下列结论中不一定正确的是( )
A.PD=DQ | B.2DE=AC | C.2AE=CQ | D.PQ⊥AB |
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【推荐1】如图1,已知点E,F,G,H是矩形ABCD各边的中点,AB=2.39,BC=3.57.动点M从点A出发,沿A→B→C→D→A匀速运动,到点A停止.设点M运动的路程为x,点M到四边形EFGH的某一个顶点的距离为y,如果表示y关于x的函数关系的图象如图2所示,那么四边形EFGH的这个顶点是( )
![](https://img.xkw.com/dksih/QBM/2017/6/9/1705263352119296/1706182285090816/STEM/8ea3975e8038442ebfa00c2bb46eb44a.png?resizew=293)
![](https://img.xkw.com/dksih/QBM/2017/6/9/1705263352119296/1706182285090816/STEM/8ea3975e8038442ebfa00c2bb46eb44a.png?resizew=293)
A.点E | B.点F | C.点G | D.点H |
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【推荐2】如图,在矩形
中,
在
上,
,交
于
,连结
,则图中与
一定相似的三角形是
![](https://img.xkw.com/dksih/QBM/2013/6/3/1573660946407424/1573660952453120/STEM/25d7fd60-c57f-424b-b970-51c3df7de6a6.png?resizew=174)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
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![](https://img.xkw.com/dksih/QBM/2013/6/3/1573660946407424/1573660952453120/STEM/25d7fd60-c57f-424b-b970-51c3df7de6a6.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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