如图, 点
在线段
上,
, 以
为圆心,
为半径作
, 点
在
上运动, 连结
, 以
为一边作等边
, 连结
, 则
长度的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/6a1c7b1b-8c89-4eb4-aa40-e0b813bcf5c5.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6f2b829f0d7960880c0210564a6e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3e2b2689dfe97ec82d473ab6cf469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/6a1c7b1b-8c89-4eb4-aa40-e0b813bcf5c5.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-01-07 11:54:09
|
相似题推荐
单选题
|
较难
(0.4)
【推荐1】如图,在
中,
,
平分
,交
于点
.若
,
,则
的值可能是( )
![](https://img.xkw.com/dksih/QBM/2021/3/16/2678885802156032/2681898359791616/STEM/1687b888fc3e491dac7f397b3feec468.png?resizew=217)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb980da8e86b4cfd322616dc84fc6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8221601c7bd5c51fd520615581fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2e56af0d14a3a401ac6824d9c748b4.png)
![](https://img.xkw.com/dksih/QBM/2021/3/16/2678885802156032/2681898359791616/STEM/1687b888fc3e491dac7f397b3feec468.png?resizew=217)
A.7 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
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解题方法
【推荐2】如图,在△ABC中,点M,N分别是AC,BC上一点,AM=BN,∠C=60°,若AB=9,BM=7,则MN的长度可以是( )
![](https://img.xkw.com/dksih/QBM/2021/11/17/2852987182587904/2863240156758016/STEM/37b1ca1e-d613-42ee-9a79-af8d5a2992ac.png?resizew=96)
![](https://img.xkw.com/dksih/QBM/2021/11/17/2852987182587904/2863240156758016/STEM/37b1ca1e-d613-42ee-9a79-af8d5a2992ac.png?resizew=96)
A.2 | B.7 | C.16 | D.17 |
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【推荐1】如图,在扇形
中,点A为弧
的中点,延长
交
的延长线于点B,连接
,若
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/87d2ced4-e29e-4f9a-ab9a-ff6caab5a5b5.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e17dc84ba2e871aeb3a3fd2a2b5f1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1b3c262e8bf58c8479708d7496bbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b1fc741d2d34b7b3d7200a10dfd2bf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/87d2ced4-e29e-4f9a-ab9a-ff6caab5a5b5.png?resizew=156)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,在直角坐标系中,点A的坐标为(1,0),以线段
为边在第四象限内作等边
,点C为x轴正半轴上一动点(
),连接
,以线段
为边在第四象限内作等边
,直线
交y轴于点E.下列结论正确的有( )个.
(1)
;
(2)
的度数随着点C位置的变化而改变;
(3)点E的位置不随着点C位置的变化而变化,点E的坐标是
;
(4)当点C的坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/490fe2472078065bcc7119df108192eb.png)
时,四边形
的面积S与m的函数关系式为S=
m2.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/dd9c0694-498d-43c7-ab61-1b9f6ab93c3a.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f58c71287cc249f71b39f73e1efa09e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73636989e83905f8800a865c2b608c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afa1a34e954591ded8e5f6fc11515da.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
(3)点E的位置不随着点C位置的变化而变化,点E的坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c98e158432ea23915ed2db79dc4a7f7.png)
(4)当点C的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/490fe2472078065bcc7119df108192eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4f8eae8a1b586ab1e9c888f727bd6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520f8abda6a85e7ef6f281fc2df853fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ec13ca7115ccd73a9d793758f1c170.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/dd9c0694-498d-43c7-ab61-1b9f6ab93c3a.png?resizew=184)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,
的直径
,弦
垂直平分半径
,动点
从点
出发在优弧
上运动到点
停止,在点
整个运动过程中,线段
的中点
的运动路径长为( )
![](https://img.xkw.com/dksih/QBM/2021/4/10/2696699003142144/2702564485251072/STEM/b39eff97-5093-4f61-bee5-b8793ab58dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfaad4c4467e27421876d8f2a4371d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2021/4/10/2696699003142144/2702564485251072/STEM/b39eff97-5093-4f61-bee5-b8793ab58dde.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在矩形
中,对角线
相交于点O,
,点E是
上一动点,点P是
的中点,连接
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d578394cd8e4d7a705599269c512960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c338b696120a21b370e89dc3de0a48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1341b777fcd74f3392e3bf00c0e6a1ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10859e633d35b46fd6f5fbae5d12175b.png)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,在矩形
中,
,
.把
沿
折叠,使点
恰好落在
边上的
处,再将
绕点
顺时针旋转
,得到
,使得
恰好经过
的中点
.设
交
于点
,连接
.有如下结论:①
;②
的长度是
;③
;④
.上述结论中,正确的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b3fa3410cdc4312c58becbaab71f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e47233bbd730b203d95c198fb2cddf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49292583fbc845c080fa5436aa52efb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d24f38b652894b62a4674ea6527700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eba8ef753df3569875282d12342c149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b435d7fc33860ae191f9111d880b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3923c57a6ad81dceb202ece8d2260eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9f2254db4904e59e76a2bd5dbcf18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71fe246270d1277f9eb2bf15af22e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab9ade9bfd2479c0a61bf0601b46a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cb0e2dfa80f0f60456db5d29e967a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ad8c18c35211f533cafcf5f65230f1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/9/97723b0c-1b1d-4deb-8ae4-9415dd073416.png?resizew=201)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在
中,∠ACB=90°,分别以其三边向外作正方形,过点C作CK⊥AB交ID于点K,延长EB交AG于点L,若点L是AG的中点,
的面积为20,则CK的值为( )
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932746647502848/2963097698344960/STEM/acff2605-7772-42ea-8ede-8284d9021cad.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932746647502848/2963097698344960/STEM/acff2605-7772-42ea-8ede-8284d9021cad.png?resizew=199)
A.4 | B.5 | C.![]() | D.![]() |
您最近一年使用:0次