如图,在四边形
中,
相交于点O,且
,点E从点B开始,沿四边形的边
运动至点D停止,
与
相交于点N,点F是线段
的中点.连接
,下列选项不正确的是( )
![](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/bdad2e298d52079589e6de6d69d042e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7e5389296a5226b31c66f711c3e2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
A.四边形![]() |
B.当点E是![]() ![]() |
C.当![]() ![]() |
D.当点E在边![]() ![]() ![]() |
2024九年级下·全国·专题练习 查看更多[1]
(已下线)重难点04+平行四边形与特殊平行四边形(4考点8题型)1
更新时间:2024-05-24 21:43:58
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】如图,在
中,
,
,在直线BC或AC上取一点P,使得
为等腰三角形,则符合条件的点的个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/f31af498-5507-4cce-9195-50e389353e1d.png?resizew=177)
![](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/7c646c683fbe522edb7ea54fd3ad873d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/f31af498-5507-4cce-9195-50e389353e1d.png?resizew=177)
A.3 | B.4 | C.5 | D.6 |
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【推荐2】如图,在Rt△ABC中,∠ACB=90°,∠B=30°,CD、CM分别是斜边上的高和中线,那么下列结论中错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/063e9aee-a80f-4f03-ba98-02425ed9b776.png?resizew=116)
A.CM=AC | B.∠ACM=∠DCB | C.AD=DM | D.DB=4AD |
您最近一年使用:0次
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【推荐1】如图,在RtΔABC中,∠BAC=90°,D,E分别是AB,BC的中点,点F在CA的延长线上,∠FDA=∠B,AC=6,AB=8,则四边形AEDF周长是( )
![](https://img.xkw.com/dksih/QBM/2022/7/8/3018226558427136/3023967719399424/STEM/f085d59477df4de18d3e501eb5699145.png?resizew=102)
![](https://img.xkw.com/dksih/QBM/2022/7/8/3018226558427136/3023967719399424/STEM/f085d59477df4de18d3e501eb5699145.png?resizew=102)
A.12 | B.14 | C.15 | D.16 |
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【推荐2】如图,在等边
中,
是
边上的两点,
,点
分别是线段
上的一动点,连接
与
交于点
,若四边形
是平行四边形,则点
由点
移动到点
的过程中,下列结论正确的是( )
①
;②
;③当
运动到
中点时,四边形
是菱形,且菱形面积为
;④点
由点
移动到点
的过程中,点
所走的路径长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/27/7441230d-bb79-4927-9a10-23b1a65fad32.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d741cd3b19c54028e1d200c209e9baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9cc1bccdf87e40fdaaddbb9cd18abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9369aed2d8309af46ac3eaffb9cce537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8ad3423ca03e912557f9ab4f733456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4531cdc420350a676f73cf9139fcbe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e6f84f2a5721303019f158d860cd5b.png)
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bf28629180113c8f27b9168ee7a34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631ff7d27523923a08f74916f85d4e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e6f84f2a5721303019f158d860cd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bb52bec7f09eaf568dca3b4a4fc717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/27/7441230d-bb79-4927-9a10-23b1a65fad32.png?resizew=150)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,已知正方形
的边长为4,
是对角线
上一点,
于点
,
于点
,连接
,
.给出下列结论:①
;②四边形
的周长为8;③
一定是等腰三角形;④
,其中正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32fe18f7c7b878435f313d3c0dbb723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38829281f8a63977873518f00109a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6350abc2bc9e38dca81a52a856c0f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fce76109c3b574feaca9cd7029c2875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7fbd6b9f85c086ac95562fe45e8d969.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/15/943e6c68-6056-4a28-8ed7-c9d2b231b3ca.png?resizew=123)
A.①②④ | B.①③④ | C.②④ | D.②③ |
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【推荐2】如图,在矩形
中,
,
的平分线交边
于点
,
于点
,连接
并延长交边
于点
,连接
交
于点
,给出下列命题:
(1)
(2)
(3)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b977dcaf926cd6f87d079a60880cf6f.png)
其中正确命题的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/38831b8c-5def-4d57-b113-369179beffdc.png?resizew=161)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1affed1ad8e53a73308c85849a72444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23393d953a5bcb37b595caba358f34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6655e2fa64a32cd12fe0279afd65d73.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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c440633b9f8995e783e0f0afe393ac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e47201031e8053a7a00f539b8afa76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb18dc0e3f51bdaf8e011d237ad527d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b977dcaf926cd6f87d079a60880cf6f.png)
其中正确命题的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/38831b8c-5def-4d57-b113-369179beffdc.png?resizew=161)
A.![]() | B.![]() | C.![]() | D.![]() |
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