如图,矩形
中,E为
边的中点,沿
对折矩形,使点C落在
处,折痕为
,延长
交
于点F,连接
并延长交
于点G,连接
.给出以下结论:①四边形
为平行四边形;②
;③
;④
为
的中点.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288abe01824f42cfe725509af5aec4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0f0ccc8492a0ccf1eee24867060643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ecac2dad4cffdd971fd23deacff3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0035ea7c1dd6e764ad910de751fa49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a52f799cb843db4272f7d80ead4f2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc4432d4e9b6198b0b3a6a72e2bf5ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
A.1 | B.2 | C.3 | D.4 |
更新时间:2023-06-28 10:22:19
|
相似题推荐
单选题
|
较难
(0.4)
【推荐1】如图,在
中,
,
的角平分线
和
的平分线
相交于点
,
交
于点
,
交
的延长线于点
,过点
作
交
的延长线于点
,交
的延长线于点
,连接
并延长交
于点
,则下列结论:
①
;②
;③
;④
;其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3493ae59c386883c6a7eab670ee251c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb152dca966ce8f6324f4eba499c8468.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f87b02b744534ae1ed700d21fcceb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728e94fa6236a1d14d642d1cdac579e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28e7cecb645f57a99921f924849dd27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3620030e8808da46df97330103827913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d9e367797d73ad4eafc65a4bb539eb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/8a31001d-c68a-48b9-81e0-1c543437939a.png?resizew=283)
A.②③ | B.②④ | C.①②③④ | D.①③④ |
您最近一年使用:0次
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【推荐2】如图,
中,
,
的平分线
与边
的垂直平分线
相交于点D,
交AB的延长线于点E,
于点F,现有下列结论:①
;②
;③
平分
;④
.其中正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/a446dafc-67c4-4f09-869e-069f0ae25a36.png?resizew=161)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.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/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faabc484ce3666706c1beffda4bcfe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0242af77803f8550ba044a9af158b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c962fe4f47732b8e6e83d17ff2b9af13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2049c441e4707751f4ca5a7995edbe4d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/a446dafc-67c4-4f09-869e-069f0ae25a36.png?resizew=161)
A.①② | B.②④ | C.①②④ | D.①②③④ |
您最近一年使用:0次
单选题
|
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【推荐1】如图,在菱形ABCD中,AB=4,∠C=60°,将菱形折叠,使点A恰好落在对角线BD上的G点处(不与B,D重合),折痕为EF,若DG=
BG,则BE的长为( )
![](https://img.xkw.com/dksih/QBM/2021/12/10/2869385229737984/2929133661413376/STEM/52417c4294b641c7b969da6bec4b3f53.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://img.xkw.com/dksih/QBM/2021/12/10/2869385229737984/2929133661413376/STEM/52417c4294b641c7b969da6bec4b3f53.png?resizew=156)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
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【推荐2】如图,
是等边
的外接圆,点D是弧
上一动点(不与A,C重合),下列结论:①
;②当
最长时,
;③
;④当
,
时,
;⑤当
时,四边形
最大面积是
.其中一定正确的结论有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/39ed9b9f-361f-4a2a-87d2-1585d23f63d2.png?resizew=133)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2aca1bdb9459855415e292e73de50ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10f335ddf7b6c0b60ee6bfa52d56002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323400aaf465e806371e9c02d2608f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025df2a9934b457cf20d91604e430612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/39ed9b9f-361f-4a2a-87d2-1585d23f63d2.png?resizew=133)
A.2个 | B.3个 | C.4个 | D.5个 |
您最近一年使用:0次
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(0.4)
名校
【推荐1】如图,分别在四边形
的各边上取中点
,
,
,
,连接
,在
上取一点
,连接
,过
作
,交
于
,将四边形
中的四边形①和②移动后按图中方式摆放,得到四边形
和
,延长
,
相交于点
,得到四边形
.下列说法中正确的是( )
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca7d336d3f7ad147bea8f9a5cbb65c5.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728c2591c9d643692b29539608d992a0.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38e7a00392c5c4b24253a4b3bbd5d61.png)
④四边形
是平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a8588dc60a543ad70d6bc0d263dbd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b282d7e3d0ef3bac56f0d5a4e94b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4fef8561bad7469c14f56bdad66f4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2638ff7823a875feb69ab183cd5cadb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d19bcbf9a0ab5e04f9fb31a2081216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d47e1de923081915531cad39975ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2d9ff8afd311e5d60ef46e5615cd6f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca7d336d3f7ad147bea8f9a5cbb65c5.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728c2591c9d643692b29539608d992a0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38e7a00392c5c4b24253a4b3bbd5d61.png)
④四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2d9ff8afd311e5d60ef46e5615cd6f.png)
A.①②③ | B.①③④ | C.①②④ | D.②③④ |
您最近一年使用:0次
单选题
|
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(0.4)
名校
【推荐2】如图,在
中,
,依次是
上的五个点,并且
,在三个结论:(1)
;(2)
;(3)
之中,正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d19679ede612e99bbb30d3bf387ee50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bb7934c636ffbc54f6a0c899dd8da95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd8c553c78de27978fa3211401c9b83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3fec6f549f4df2306e450022d29b97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7968f7b9ed9a6e4f96c0a67d8f8564.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/13/a184fdd1-5917-464d-9ffa-7e29732ae275.png?resizew=210)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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|
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(0.4)
名校
【推荐1】如图,矩形
纸片,
,点P是边
上一点,
,矩形纸片沿
折叠,点A落在G处,
的延长线交
于点H,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/18/ad37820a-0cb6-4ae8-a064-f0829d1ef79c.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33654a41796b22f7ad2ec154904c5203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e5a8fdbfbdf25f6937b7a2d6a4cd95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a63d14654c66cc71bf26293d698ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9d2abf13c2842f58654abf73c6b4ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/18/ad37820a-0cb6-4ae8-a064-f0829d1ef79c.png?resizew=199)
A.8 | B.![]() | C.10 | D.![]() |
您最近一年使用:0次
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【推荐2】如图,长方形ABCD中,
,
,点E为射线DC上的一个动点,
与
关于直线AE对称,当
为直角三角形时,DE的长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5365ce89048c2c720dd9a0cd13b59d1.png)
![](https://img.xkw.com/dksih/QBM/2021/1/20/2640179275292672/2645214661435392/STEM/4aca74a0fd6c46f3b7c57b669220cb1e.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755a801533c64a6059634be5e375a844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ff2e2780c282e8ab8e5e88681e1efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68696b781af2609327222d22cb7bab3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65cb37481f551fb843ebb047cdc6c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5365ce89048c2c720dd9a0cd13b59d1.png)
![](https://img.xkw.com/dksih/QBM/2021/1/20/2640179275292672/2645214661435392/STEM/4aca74a0fd6c46f3b7c57b669220cb1e.png?resizew=148)
A.2或8 | B.![]() | C.![]() | D.2或18 |
您最近一年使用:0次