如图,在▱ABCD中,AB=6,AD=8,∠ADC的平分线交BC于点F,交AB的延长线于点G,过点C作CE⊥DG,垂足为E,CE=2,则△BFG的周长为______ .
![](https://img.xkw.com/dksih/QBM/2022/2/11/2914314660454400/2919196343083008/STEM/4efd1a93d6bb48a3b8bc7497c99491f9.png?resizew=164)
更新时间:2022-02-18 19:03:04
|
相似题推荐
填空题
|
适中
(0.65)
名校
【推荐1】如图,在
中,
,
,
,点
是斜边
上的动点且不与
,
重合,连接
,点
与点
关于直线
对称,连接
,当
垂直于
的直角边时,
的长为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb6362bc99fba4bcd7331db9aee922c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab41cce6eb2d3058a644314865d16548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab41cce6eb2d3058a644314865d16548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/2021/10/4/2821962404356096/2825511653064704/STEM/aa0d000684a44239b67d4a1d5d07f1b1.png?resizew=97)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图在△ABC中,BF、CF是角平分线,DE∥BC,分别交AB、AC于点D、E,DE经过点F.结论:①△BDF和△CEF都是等腰三角形;②DE=BD+CE; ③△ADE的周长=AB+AC;④BF=CF.其中正确的是_____ (填序号)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/8/21b3a5ab-c2c5-41ea-bd98-14fe6a064b35.png?resizew=209)
您最近一年使用:0次
填空题
|
适中
(0.65)
真题
【推荐1】图1是一张可以折叠的小床展开后支撑起来放在地面的示意图,此时点A、B、C在同一直线上,且∠ACD=90°,图2是小床支撑脚CD折叠的示意图,在折叠过程中,△ACD变形为四边形ABC′D′,最后折叠形成一条线段BD″.
![](https://img.xkw.com/dksih/QBM/2015/8/28/1573908391936000/1573908398235648/STEM/b0976e8f2e834b0c9e84a864967c9a4a.png?resizew=502)
(1)小床这样设计应用的数学原理是___________________ .
(2)若AB:BC=1:4,则tan∠CAD的值是____ .
![](https://img.xkw.com/dksih/QBM/2015/8/28/1573908391936000/1573908398235648/STEM/b0976e8f2e834b0c9e84a864967c9a4a.png?resizew=502)
(1)小床这样设计应用的数学原理是
(2)若AB:BC=1:4,则tan∠CAD的值是
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,已知正方形
的边长为
,点E为对角线
上一动点,连接
,过 点E作
,交射线
于点F,以
,
为邻边作矩形
,连接
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784921948d4e850012bfe8cb2b70ae3b.png)
_____ ;
(2)若
,则矩形
面积=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f0805cc7a96c866df10b667ac4851e.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784921948d4e850012bfe8cb2b70ae3b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a3ea5e0d86aeb4f0365be70a2f6638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/14/b00ad1ed-7b61-4896-9818-027936441355.png?resizew=149)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐1】如图,▱ABCD的对角线AC、BD相交于点O,点E是CD的中点,△DOE的周长为16,BD=12,则▱ABCD的周长为_____ .
![](https://img.xkw.com/dksih/QBM/2018/12/7/2091612908724224/2095850614153216/STEM/ac6aeec9acd8492893be7d410eb4dbd1.png?resizew=164)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,平行四边形
中,E、F分别为
的中点,
与
相交于点G,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d721c092adccbd37510efb136a5a3dcb.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20cb2c77ea29b6eabbc477bc3743859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d721c092adccbd37510efb136a5a3dcb.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图,已知
的两条直角边
,将
绕直角边
中点G旋转得到
,若
的锐角顶点D恰好落在
的斜边
上,则
____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbc67735e4e22a62cd3f3984e730287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409665fdd1c3a11e7c3d4fcafe72a5ae.png)
您最近一年使用:0次