如图,已知正方形
,将边
绕点
顺时针旋转45°,得到线段
,连接
、
,
,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/2021/1/26/2648600286732288/2660709953789952/STEM/0e67505d-eaef-42e2-9333-c03d9b39d68f.png)
更新时间:2021-02-18 14:11:10
|
相似题推荐
填空题
|
较难
(0.4)
【推荐1】如图,正方形ABCD和正方形BEFG,点F,B,C在同一直线上,连接DF,M是DF的中点,连接AM,若
,
,则正方形BEFG的边长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d124d4438fb79851ca01640f57ddc3.png)
![](https://img.xkw.com/dksih/QBM/2022/5/30/2990446460772352/2990860449447936/STEM/8833f336805440468a0fb47cee1da5ab.png?resizew=157)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图,在正方形
中,对角线
与
相交于点O,点E为边
中点,连接
交
于点F,把线段
绕点D顺时针旋转
得
,连接
,点M为线段
的中点,连接
,下列结论正确的有 _____ .
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947597c7dcfc043b9db270fac3b10863.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a30640c8889740e1ee35c068c61a28.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2622e75d763b8c81b970e4aa906219.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329a2154f34f57d301e70246b51a49d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b79f14a8c7424cdf9a08aa822872e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9f188961eefcee84e197b4b9c72afc.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947597c7dcfc043b9db270fac3b10863.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a30640c8889740e1ee35c068c61a28.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2622e75d763b8c81b970e4aa906219.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329a2154f34f57d301e70246b51a49d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/89f25b19-a7f3-4d62-8a74-a9c0d5343a5e.png?resizew=200)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,
中,
,
,
是
边上一点,满足
,将
绕点
顺时针旋转至△
,使点
落在射线
上,连结
,交
的延长线于点
,则
的长为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3ba1c6fc43724bc631dfd0ca2cd073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f834e8d16a6e26a65ff2ed5809823f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3a9509ed78a76792c047ef9d709dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed7bc83ebd009c5a7f58116eb8f5d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd93ad139410a0bc761cce65c84f599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/31/2ba71025-2588-4f78-873c-8a490196e061.png?resizew=183)
您最近一年使用:0次