如图,在等腰直角
中,
,点D是
内部一点,
,
,垂足分别为E,F,若
,
,
,则
( )
![](https://img.xkw.com/dksih/QBM/2021/1/28/2645862407995392/2645874565980160/STEM/c9c78e01-666b-47d2-8c40-58290f7e68cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd657e48b15b9b54a55817e2c26b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b7ff28dbeeedec243fc8eb7cb5d368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb9401b076ddecc9384ef23c36de192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7562a70f609384bf2167d1467df3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5f441402ee632377b6bedeb060f3d9.png)
![](https://img.xkw.com/dksih/QBM/2021/1/28/2645862407995392/2645874565980160/STEM/c9c78e01-666b-47d2-8c40-58290f7e68cd.png)
A.8 | B.10 | C.12.5 | D.15 |
更新时间:2021-01-28 15:08:29
|
【知识点】 根据矩形的性质求线段长解读
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