如图,在正方形
中,点
为
边的中点,点
在
上,
,过点
作
交
于点
.下列结论:①
;②
;③
;④
.正确的是( ).
![](https://img.xkw.com/dksih/QBM/2019/7/15/2247261698293760/2248633744097280/STEM/1eda16fecb52485ebd36cabecbd4ebe8.png?resizew=123)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb5baea4ac1668b674a8634e15bcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961e9dfec7ad37b7f64e4a627cdb343c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0792d20f1b18cc0367c8a3ce5492296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12a58db518ee091a7e8844af2f0469c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876bb8ce0ca53475fa091ffd18bdc94a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1612c015408654891b9ea5c8aa1944.png)
![](https://img.xkw.com/dksih/QBM/2019/7/15/2247261698293760/2248633744097280/STEM/1eda16fecb52485ebd36cabecbd4ebe8.png?resizew=123)
A.①② | B.①③ | C.①③④ | D.③④ |
2019·四川·三模 查看更多[7]
2019年四川省南充市中考三模数学试题广东省深圳市光明区2019-2020学年九年级上学期期末数学试题四川省南充市2018-2019学年九年级第三次诊断性检测数学试题(已下线)【万唯原创】2020年广东 几何图形中的多结论判断(已下线)期末难点特训(四) 选填压轴50道-【微专题】2022-2023学年九年级数学下册常考点微专题提分精练(北师大版)陕西省宝鸡市凤翔区2022-2023学年九年级上学期期末数学试卷广东省广州市真光中学2022-2023学年九年级数学上学期期末测试卷
更新时间:2019-07-17 09:19:58
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】顺次连结四边形各边中点所得的四边形是( )
A.平行四边形 | B.长方形 | C.梯形 | D.以上都不对 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,
分别是
三边的中点,连接
.一个小球在
内任意滚动,并随机停留在
内,那么该小球停留在阴影区域的概率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695b0b58e60dd3d2da6388848d373a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afdb83869dc7a1064f49046819e5ba26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/53d1e806-b4c5-44ee-890f-5bce1823cf5d.png?resizew=159)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,一个边长分别是6,8,10的直角三角形的一个顶点与正方形的点A重合,另两个顶点在正方形的两边
,
上,则正方形的面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/de9a217c-a36a-44af-ab3a-e7a522e2924a.png?resizew=116)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,在正方形
中,
平分
交
于点
,点
是边
上一点,连接
,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97075fe3c2a105f5d2d0a27a9f2b3410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34868b311f1082fb003dec7f07cdfd2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,
是
的边
上一点,
,
,
.如果
的面积为
,那么
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1f8c020a6e3991537f7b634df041c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d4cb09f73abcf5c0d93c6644d362af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/28/d0476654-f8b9-4f14-8c5a-d7d75c8a088d.png?resizew=184)
A.15 | B.10 | C.![]() | D.5 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,在平行四边形ABCD中,对角线AC,BD相交于点O,点E,F分别是边AD,AB的中点,EF交AC于点H,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2015/7/28/1573888638910464/1573888644718592/STEM/6ee657b3d2c746bb9794769d03559163.png)
![](https://img.xkw.com/dksih/QBM/2015/7/28/1573888638910464/1573888644718592/STEM/eb2443dd037741799a086611c994af67.png)
![](https://img.xkw.com/dksih/QBM/2015/7/28/1573888638910464/1573888644718592/STEM/6ee657b3d2c746bb9794769d03559163.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次