如图,四边形
中,
,
垂直
的角平分线于
,
为
的中点,连接
.则图中两个阴影部分面积之差的最大值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a38fcce7dd0dee12192a18eee9f9cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/5c17c68b-cb31-49d6-a26f-61e021a71a98.png?resizew=208)
A.![]() | B.![]() | C.![]() | D.![]() |
2020·安徽·三模 查看更多[3]
2020年安徽省省城名校中考最后三模(二)数学试题(已下线)专题13.24 课程学习(最短路径问题)(直通中考)-2023-2024学年八年级数学上册基础知识专项突破讲与练(人教版)(已下线)专题2.24 轴对称的最值问题(直通中考)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)
更新时间:2020-06-26 10:10:12
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】如图,在
中,
,
是高线,
是
的中点,已知
的面积为8,则
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/d59cb273-faaf-46d1-ae7b-a0bdcd43d58a.png?resizew=167)
![](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/03902478df1a55bc99703210bccab910.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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/d59cb273-faaf-46d1-ae7b-a0bdcd43d58a.png?resizew=167)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在
中,F,D,E分别是边
,
,
上的点,且
,
,
相交于点O.若点O是
的重心,则以下结论:①线段
,
,
是
的三条角平分线;②
的面积是
的面积的一半;③图中与
面积相等的三角形有5个.其中结论一定正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,已知在平面直角坐标系中,Rt△ABC的顶点A、B的坐标分别是(0,3)、(3,0),∠ABC=90°AC=
,则函数
的图象经过点C,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2019/11/15/2334547466158080/2336601043140608/STEM/ad103d5408d94f909fe85538794c3f8e.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4515f89a626f76189663da498cfa87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2019/11/15/2334547466158080/2336601043140608/STEM/ad103d5408d94f909fe85538794c3f8e.png?resizew=155)
A.3 | B.4 | C.6 | D.9 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在
中,EF=2,AB=5,AE平分∠BAD交边BC于点E,DF平分∠ADC交边BC于点F,则AD的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/29/85f47681-61fd-4c04-b402-0aeace61dcea.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/29/85f47681-61fd-4c04-b402-0aeace61dcea.png?resizew=164)
A.4 | B.6 | C.8 | D.10 |
您最近一年使用:0次