如图,
是
的边
上任意一点,
、
分别是线段
、
的中点,且
的面积为
,则
的面积是( )
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/6381cf95-75fa-4757-bc5e-f94abb11c2c0.png?resizew=203)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c00b5ac78d3ff86b2e1beed4c5c5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2ea13010e2399194be2a681310543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/6381cf95-75fa-4757-bc5e-f94abb11c2c0.png?resizew=203)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-10-11 12:38:38
|
【知识点】 根据三角形中线求面积解读
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【推荐1】如图,已知D、E分别为
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A.36 | B.24 | C.21 | D.20 |
您最近一年使用:0次
单选题
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较易
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【推荐2】如图,BD是△ABC的中线,
于点E,已知△ABC的面积是20,AB=10则DE的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/268e022a-df8d-4c41-8366-b0c3513b36b5.png?resizew=141)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/268e022a-df8d-4c41-8366-b0c3513b36b5.png?resizew=141)
A.1 | B.2 | C.2.5 | D.3 |
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