如图,两条直线被三条平行线所截,若DE=3,EF=6,BC=8,则AC=( )
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849477860745216/2853445661532160/STEM/0a8e05f8-cce7-474d-b21c-2cbfdca155fb.png)
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849477860745216/2853445661532160/STEM/0a8e05f8-cce7-474d-b21c-2cbfdca155fb.png)
A.4 | B.8 | C.12 | D.9 |
更新时间:2021-11-17 21:32:58
|
【知识点】 由平行截线求相关线段的长或比值解读
相似题推荐
单选题
|
较易
(0.85)
【推荐1】已知△ABC中,DE∥BC,AD=5,DB=7,AE=4,则AC的值是 ( )
![](https://img.xkw.com/dksih/QBM/2021/11/16/2852604704636928/2853958173720576/STEM/7c9dd167-9393-4f53-8d42-08a5212e6ce7.png)
![](https://img.xkw.com/dksih/QBM/2021/11/16/2852604704636928/2853958173720576/STEM/7c9dd167-9393-4f53-8d42-08a5212e6ce7.png)
A.7.6 | B.9.6 | C.8.5 | D.5.6 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,在
中,D是
边的中点,点
在
边上,且
,
与
交于点F,则
=( )
![](https://img.xkw.com/dksih/QBM/2023/1/3/3144871650926592/3146409385910272/STEM/0c5b2c520a974c50ac797b134785ca00.png?resizew=130)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e7e9827e1c7b629b761c60c98aeabd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564aac6c0d88aaafb676ca8088477498.png)
![](https://img.xkw.com/dksih/QBM/2023/1/3/3144871650926592/3146409385910272/STEM/0c5b2c520a974c50ac797b134785ca00.png?resizew=130)
A.2:3 | B.3:4 | C.4:3 | D.3:2 |
您最近一年使用:0次