如图,
,
,
,
、
、
、交于点
,则图中与
相似的三角形的个数是( )个.
![](https://img.xkw.com/dksih/QBM/2018/9/18/2034989777772544/2036436217544704/STEM/ffc09b871d824b6ca011939e1c041ab4.png?resizew=92)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78144a2eab3aa38fa71e74dea813e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43ff6fe5f063b9723b43d0df51c0171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038990c532b26518620b65716ed93159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafbe2751f4f4c5a8e676818195e9111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a332d15ca88691fbd7d99a1abdef569.png)
![](https://img.xkw.com/dksih/QBM/2018/9/18/2034989777772544/2036436217544704/STEM/ffc09b871d824b6ca011939e1c041ab4.png?resizew=92)
A.4 | B.5 | C.6 | D.7 |
更新时间:2018-09-30 15:38:12
|
【知识点】 相似三角形的判定与性质综合
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【推荐2】如图,在△ABC中,DE∥BC,DE分别与AB,AC相交于点D,E,若AD=4,DB=2,则DE:BC的值为( )
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