如图,在正方形
中,
是对角线
上的点,
,
,
,
分别为垂足,连结
设
,
分别是
,
的中点,
,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8449f4fda498aaacf1b8f2a116ae6c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5afd58cf78512bc596645d2d5a1643fe.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/55d8251f47a745e613124187e131275f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e7c422a19b68b8b4cd484d22897e3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/6/465bb388-22df-4b99-8ce0-0ef1fdd3bc24.png?resizew=148)
18-19八年级下·浙江温州·期末 查看更多[8]
浙江省温州市苍南县2018-2019学年八年级下学期期末数学试题山西省太原市师范学院附中2019-2020学年九年级上学期10月月考数学试题黑龙江省绥化市海伦市2021-2022学年八年级下学期期末数学试题黑龙江省绥化市海伦市2021-2022学年八年级下学期期末数学试题江苏省仪征市古井中学2021-2022学年八年级下学期阶段性练习试题(已下线)专题1.3 正方形的性质与判定(能力提升)-2022-2023学年九年级数学上册《同步考点解读·专题训练》(北师大版)湖北省襄阳市老河口市第四中学2022-2023学年八年级下学期6月月考数学试题湖北省襄阳市襄城区2021-2022学年八年级下学期期末数学试题
更新时间:2022-09-05 19:02:24
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】如图,已知五边形ABCDE中,∠ABC=∠AED=90°,AB=CD=AE=BC+DE=2,则五边形ABCDE的面积为_____________ .
![](https://img.xkw.com/dksih/QBM/2019/11/8/2334312149925888/2347192885493761/STEM/25ac135ea003448ba70340eee3dce305.png?resizew=152)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐2】如图,在半径为
的扇形
中,
,点
是圆弧
上的一点,过点
作
,
,垂足分别为
.若点
为
的中点,则图中阴影部分的面积为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affbe2d2ced2303d8c3d183746d0bcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84a7cd47edd57011a3816f7180995b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐1】如图,在△ABC中,D,E分别是边AB,AC的中点,如果BC=7,那么DE=____ .
![](https://img.xkw.com/dksih/QBM/2022/1/24/2901487107809280/2901889128742912/STEM/ea0ff81f-3332-45ff-8f8e-3fadac033066.png?resizew=150)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,在Rt
中,
分别为AC、BC中点,连接AE、BD相交于点
,点
在CD上,且
,则四边形DFEG的面积为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15951cdbd71eb01e9d6293faee9f60be.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/7aab745899b40a91cb0f3c67008ddf37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/afe90a22-40c7-4b63-8daf-663652918371.png?resizew=168)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】如图,正方形
的对角线
,
相交于点
,点
是
上任意一点,
于点
,
于点
,若
,则
的长的最小值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d31767eb718a0327eca546fe6a189cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca0940f5c21431c089d4f7a221df43c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/19/c19959ea-037f-4396-888d-978d8623352c.png?resizew=128)
您最近一年使用:0次
填空题
|
较易
(0.85)
名校
【推荐2】如图,在Rt△ABC中,∠C=90°,AC=8,BC=6,点D为AB边上的一动点,过点D分别作DE⊥AC,DF⊥BC,E,F分别是AC,BC上的垂足,则EF的最小值是______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/d755e8a7-5c8d-45dc-ac57-8a10a6cd545a.png?resizew=216)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】清朝《数理精蕴》里有一首小诗《古色古香方城池》:今有一座古方城,四面正中都开门,南门直行八里止,脚下有座塔耸立.又出西门二里停,切城角恰见塔形,请问诸君能算者,方城每边长是几?如图所示,诗的意思是:有正方形的城池一座,四面城墙的正中有门,从南门口(点
)直行8里有一塔(点
),自西门(点
)直行2里至点
,切城角(点
)也可以看见塔,问这座方城每面城墙的长是 __ 里.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,在
中,
,点D在线段
上,过点D作
于点E,
于点F,若四边形
为正方形,
,
,则阴影部分的面积为________
.(提示:线段
可看作由
绕点D顺时针旋转
得到)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d276d0010fd458383ea3dd61415e1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3c15b30bd155641e548a7d8c172dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bff10ef1a3022296cbc5a722f8540b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c310e8859d36c532f2074dde3d934d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e31351d7b971bda5c97c662fc71103a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/8/42f18b8a-3b09-4a0e-bc3f-433f7a362fb6.png?resizew=216)
您最近一年使用:0次