如图,在
中,
,点D,E分别是边
的中点,延长
到点F,使
,若
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1bccf15b7da4827177be89d5af3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17487118ab7a90fc8c91bf0870f3289e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3677b2682fb3572f6f3ae7b7d8ad1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e4ceabf0daf448d295489a489a6868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
A.4 | B.![]() | C.8 | D.![]() |
2024八年级下·全国·专题练习 查看更多[1]
(已下线)第六章 平行四边形能力提升测试卷-2023-2024学年八年级数学下册《知识解读·题型专练》(北师大版)
更新时间:2024-05-25 21:09:00
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】一组正方形按如图所示的方式放置,其中顶点
在
轴上,顶点
,
,
,
,
,
,
…在
轴上,已知正方形
的边长为1,
,
,则正方形
的边长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4dbe5d5c8b9c28c6f5eb92278a9f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e9e14b826f3b534c237734392f5ee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c495bc1349beda726d18ae13f26f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2970568b4c589d75acea2c15583912df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32efc5a5053ea98eed1d5a2d7fee6ad.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/72e6ddd9-df9a-4132-85a3-301acbfd3229.png?resizew=262)
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,在
中,
,
,D为
上一点,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/4295e4d5-0512-4662-8a3c-cffbdb26d467.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9eb19ce88898209c08c280605a42aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/4295e4d5-0512-4662-8a3c-cffbdb26d467.png?resizew=171)
A.10 | B.12 | C.14 | D.16 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在四边形
中,
,
,
,E、F、G、H分别是
、
、
、
的中点,连接
、
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2020/2/6/2393321677643776/2393350145884160/STEM/1bd7aab202724a9785b2b3cfaf93e608.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c85409e4c685f7dbadae2de3cf9a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://img.xkw.com/dksih/QBM/2020/2/6/2393321677643776/2393350145884160/STEM/1bd7aab202724a9785b2b3cfaf93e608.png?resizew=163)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
真题
【推荐2】如图,等腰梯形ABCD中,AD∥BC,AE∥DC,∠AEB =60°,AB =AD= 2cm,则梯形ABCD的周长为 ( )
![](https://img.xkw.com/dksih/QBM/2012/9/20/1573521654136832/1573521712848896/STEM/d5f56846a1db45858460cb01bdb88733.png?resizew=157)
A.6cm ![]() | B.8cm ![]() | C.10cm ![]() | D.12cm |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图所示,点E为平行四边形ABCD对角线AC上的一点,AE=7,CE=3,点F在BE的延长线上.且EF=BE,EF与CD相交于点G,则DF=( )
![](https://img.xkw.com/dksih/QBM/2022/5/2/2970553897148416/2971479287234560/STEM/595f4af2-ed92-47d3-a621-09e767b99f86.png?resizew=224)
![](https://img.xkw.com/dksih/QBM/2022/5/2/2970553897148416/2971479287234560/STEM/595f4af2-ed92-47d3-a621-09e767b99f86.png?resizew=224)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】顺次连接四边形
各边中点得到四边形
,要使四边形
是矩形,需要添加的条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,
,
,
与
交于点
,点
是
的中点,
.若
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eed15d0ed75bf936f224f931da5d950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef8d4792c62c0dcf35004df43a25d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/16ad590898bd083ede0e1f9318a35f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2e6618b5423b14a547cd06a2118b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
A.![]() | B.![]() |
C.3 | D.5 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,
,矩形
在
的内部,顶点
分别在射线
上,
则点
到点
的最大距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/25/34a8dfd7-ee10-4b67-a56b-ea2e18e401eb.png?resizew=120)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccdeaad7424442f73b0b77b0105e3845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f65dbed884e2248ec075655c684aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5ff747d8f139b59443874f23b2ca9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/25/34a8dfd7-ee10-4b67-a56b-ea2e18e401eb.png?resizew=120)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次