如图,在△ABC中,已知AB=AC=3,BC=4,若D,E是边BC的两个“黄金分割”点,则△ADE的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/1/3/2886475057537024/2888832785309696/STEM/79ee0c65-189a-40e6-a10a-d19fdf372996.png?resizew=201)
![](https://img.xkw.com/dksih/QBM/2022/1/3/2886475057537024/2888832785309696/STEM/79ee0c65-189a-40e6-a10a-d19fdf372996.png?resizew=201)
A.10﹣4![]() | B.3![]() | C.![]() | D.20﹣8![]() |
21-22九年级上·浙江衢州·期中 查看更多[3]
浙江省衢州市常山育才中学2021-2022学年九年级上学期期中数学试题(已下线)专题4.6 黄金分割(巩固篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(北师大版)(已下线)第20课 成比例线段-2022-2023学年九年级数学上册课后培优分级练(北师大版)
更新时间:2022-01-06 21:28:15
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【推荐1】如图,在△ABC中,BC=4,BC边上的中线AD=2,AB+AC=3+
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【推荐2】在算式
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【推荐1】如图,在
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【推荐1】如图,半径为
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