点P是正方形
边
上一点(不与A、B重合),连接
并将线段
绕点P顺时针旋转
,得线段
,连接
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a0387fc1258f31e44a10068c0ccfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d29e7c4d6216690152430b09f9cf0c2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·广东江门·一模 查看更多[1]
更新时间:2024-05-24 06:08:26
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,等腰Rt△ABC中,∠BAC=90°,AD⊥BC于D,∠ABC的平分线分别交AC、AD于E、F两点,M为EF的中点,延长AM交BC于点N,连接DM.下列结论:①DF=DN ②AE=CN;③△DMN是等腰三角形;④∠BMD=45°,其中正确的结论个数是 ( )
![](https://img.xkw.com/dksih/QBM/2017/9/9/1770457548275712/1770774164193280/STEM/e5cc4356713a45e5b715c62bde8417e7.png?resizew=143)
![](https://img.xkw.com/dksih/QBM/2017/9/9/1770457548275712/1770774164193280/STEM/e5cc4356713a45e5b715c62bde8417e7.png?resizew=143)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图
中,
,
,
为
的中点,在边
上取一点
,连接
,过点
作
交
边于点
,连接
.下列结论正确的个数是
个.
①
;②四边形
的面积等于
面积的一半;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c175c239742c7ba8fd67a6d5f99cb1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faabc484ce3666706c1beffda4bcfe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a61d8bedef61745ee4fd89a8c0c119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ef73f7abcfec2a095949321c34ef0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c636e71bfc26ffed0ebf551d7abda757.png)
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,在矩形
中,
相交于点O,
平分
交BC于点E,若
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2d3ea3bdfca7111b823bb1c381a0f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4291de543d7ac195df8f2d0bfed0ecbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715d148b688cff0fa2554d6434ec08b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
A.![]() | B.9 | C.![]() | D.12 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,如果CD是Rt△ABC的中线,∠ACB=90°,∠A=50°,那么∠CDB等于( )
![](https://img.xkw.com/dksih/QBM/2019/3/3/2152453257953280/2153429922217984/STEM/54bda1c1cec74e2eb14b10a2a38e47f2.png?resizew=158)
![](https://img.xkw.com/dksih/QBM/2019/3/3/2152453257953280/2153429922217984/STEM/54bda1c1cec74e2eb14b10a2a38e47f2.png?resizew=158)
A.100° | B.110° | C.120° | D.130° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在正方形
中,
,
,
,
,垂足分别是
,
,连接
,若
,正方形
与正方形
的面积之比为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c627c657d0139d1c7cc99ddb83f1a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063b97b04842da4fe4098706f5abcea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd49aa229fd2042d23d98d930a7bd80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f49d1de7c6dfc04b6e84e23eec0a1d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d8fe9a516c89a9939a01350eaf7ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48dbcee0a8db094aabd22e1ff3a50f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41d4de39daabc2601bf96a9801e8bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8470182e3a1b46a1e48f02a4f098d688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
A.4 | B.3 | C.2.5 | D.2 |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】如图,在正方形有
中,E是AB上的动点,(不与A、B重合),连结DE,点A关于DE的对称点为F,连结EF并延长交BC于点G,连接DG,过点E作
⊥DE交DG的延长线于点H,连接
,那么
的值为( )
![](https://img.xkw.com/dksih/QBM/2021/12/23/2878713910599680/2880479751520256/STEM/62884aaf-a941-4b1e-b332-7dc67511bb91.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555e26cb192fca2f46369d01d7da4ab1.png)
![](https://img.xkw.com/dksih/QBM/2021/12/23/2878713910599680/2880479751520256/STEM/62884aaf-a941-4b1e-b332-7dc67511bb91.png?resizew=184)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,在
中,
,
,
,P是
边上一动点,连接
,把线段
绕点A逆时针旋转
到线段
,连接
,则线段
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1f4f255d191786f7d330d278868c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,
中,
,
.将
绕点
逆时针旋转得到
,使点
的对应点
恰好落在边
上,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/3b8b5ed6-2cba-4ee3-9633-eb32c5897086.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c49b0ba9d16d37be55fdafec031ae13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cf39c4552ecb2b659f052dc5c0f5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7f31650c13868ab9c4d533a79138c4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/3b8b5ed6-2cba-4ee3-9633-eb32c5897086.png?resizew=127)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次