如图,平行四边形ABCD的面积为acm2,对角线交于点O;以AB、AO为邻边作平行四边形AOC1B,连接AC1交BD于O1,以AB、AO1为邻边作平行四边形AO1C2B;…;依此类推,则平行四边形AOn﹣1CnB的面积为( )cm2.
![](https://img.xkw.com/dksih/QBM/2015/8/25/1573900521431040/1573900527190016/STEM/50dd3e95379d4594a8c265cb3e056c95.png)
![](https://img.xkw.com/dksih/QBM/2015/8/25/1573900521431040/1573900527190016/STEM/50dd3e95379d4594a8c265cb3e056c95.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2016-12-06 02:11:43
|
【知识点】 利用平行四边形的性质求解解读
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,特殊四边形的面积表达式正确的是( )
![](https://img.xkw.com/dksih/QBM/2015/10/8/1573918818656256/1573918824210432/STEM/87a36311ffbd4eda94e04891bfef186c.png)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1573918818656256/1573918824210432/STEM/87a36311ffbd4eda94e04891bfef186c.png)
A.如图1,平行四边形ABCD中,AE⊥BC,则平行四边形ABCD的面积为:![]() |
B.如图2,菱形ABCD中,AE⊥BC,则菱形ABCD的面积为:![]() |
C.如图3,菱形ABCD中,对角线交于点O,则菱形ABCD的面积为:AC×BD |
D.如图4,正方形ABCD中,对角线交于点O,则正方形ABCD的面积为:![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】如图,矩形
的面积为5,它的两条对角线交于点
,以
为两邻边作平行四边形
,平行四边形
的对角线交于点
,同样以
为两邻边作平行四边形
,…,依此类推,则平行四边形
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/045929f7-be3c-4f69-bdb9-5e3193aa9fa9.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3ffdf69b4b0277dead46117c4759cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afa24b473d7672cc8d34b1171999c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afa24b473d7672cc8d34b1171999c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82caa1c89d3a61e0cb1783802da8214b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549488bae8983ac68684268c8713c91a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca018cc237693628f2a52396ed126a30.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/045929f7-be3c-4f69-bdb9-5e3193aa9fa9.png?resizew=155)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次