如图,在等腰梯形
中,
,对角线
于点
,
,
,垂足分别为
、
,
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/2020/11/7/2588054244679680/2592877909073920/STEM/75755a13628a49cb9ed3b274b80b92ae.png?resizew=210)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f5dc11efe60b4fd9a13b1d6b83842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d276d0010fd458383ea3dd61415e1aa.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/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c826d790b1efb02bbd2acfc3b26e8e.png)
![](https://img.xkw.com/dksih/QBM/2020/11/7/2588054244679680/2592877909073920/STEM/75755a13628a49cb9ed3b274b80b92ae.png?resizew=210)
A.9 | B.10 |
C.11 | D.12 |
更新时间:2020-11-14 10:06:31
|
【知识点】 图形的性质