如图,AB∥DE,AE与BD相交于点C,BC:DC=1:2,S△ACB=2,则S△DCE等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/24/146811a9-ff0f-437d-a6b8-c7eecfda3a13.png?resizew=143)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/24/146811a9-ff0f-437d-a6b8-c7eecfda3a13.png?resizew=143)
A.4 | B.6 | C.8 | D.10 |
21-22九年级·全国·假期作业 查看更多[4]
(已下线)第12讲 相似三角形判定定理的证明与利用相似三角形测高-【暑假自学课】2022年新九年级数学暑假精品课(北师大版)河南省南阳市西峡县2021-2022学年九年级上学期期末数学试题江西省吉安市第二中学2022-2023学年九年级上学期第一次月考数学试题云南省文山市砚山县(下半县)十校联考2022-2023学年九年级上学期期中数学试题
更新时间:2022-06-23 07:01:59
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【推荐1】如图,在
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名校
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【推荐2】已知两个相似三角形的面积比为 4:9,则周长的比为 ( )
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