如图,菱形ABCD中,E、F分别是BC、CD的中点,过点E作EG⊥AD于G,连接GF,若∠A=70°,则∠DGF的度数为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/21/cdb8a01a-3341-49e0-8918-f8d67c027d16.png?resizew=180)
更新时间:2017-05-11 15:01:44
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,菱形
中,
,
于E,交
于F,
于G.若
的周长为6,则菱形的边长为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531373186b828a3086e5a42afb311822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b937442ad4cc480adc11bb143559454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7699dd30e08702bfc6499eb9c89e54a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd9311e5295f10061deb2872fe04af5.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,AD=DC,∠ADC=90°,AE平分∠BAC,BC⊥AF的延长线于点E,给出如下结论:①AB=BC;②AF=2BE;③AD+DF=AC;④BD+FC=
AC,其中正确的是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78c38805c09dcfbcc42103308975a74.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/1acc440c-ab45-44b3-8ac8-e86cdc92ff0b.png?resizew=130)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐1】如图,在平面直角坐标系
中,点A的坐标为
,以
为直径在x轴上方作半圆,直线l的解析式为
,若直线l与半圆只有一个公共点,则t的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a4413d4605e167b359b4fb6347e193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeabebd5bd9968bf5604ae1243476b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/e14a4a20-17e4-43d2-95b5-5108d7ba51ea.png?resizew=138)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,
是
的直径,
是
的弦,
、
的延长线交于点
,已知
,若
为直角三角形,则
的度数为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5545dc3211671941048034af38092fa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4459eaa92f139d29880307b21e9b7611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b871a762469393cdd22f15aa49ebb8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/24a94391-cac9-4a9c-9968-5727ff710348.png?resizew=167)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,在Rt△ABC中,∠ACB=90°,CD为中线,延长CB至点E,使BE=BC;连接DE,F为DE中点,连接BF.若AC=8,BC=6,则BF的长为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/15/fd93b4df-5b80-4e82-92c5-af022be2ba6a.png?resizew=160)
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平分∠ABC,AF⊥BF于点F,D为AB的中点,连接DF延长交AC于点E.若AB=10,BC=16,则线段EF的长为_____________
![](https://img.xkw.com/dksih/QBM/2017/4/26/1674105939869696/1675679143657472/STEM/8f7ce8c20d9d4f30b441b34d7d5e05a4.png?resizew=164)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐1】在菱形
中,对角线
与
相交于点
,且
,
为线段
上一点,连接
,若
,则
的度数为______ 度.
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfdee6a5778b2bf12bc3e0ad791aa137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9348d824542932b29d0fa9b82a319e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc2771aa0d5b97d2297f8a26a6f6b1.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图,四边形ABCD是菱形,对角线AC,BD相交于点O,DH⊥AB于点H,连接OH,∠CAD=20°,则∠DHO的度数是_____ .
![](https://img.xkw.com/dksih/QBM/2020/11/17/2594629526224896/2597683535183872/STEM/0ceb121cae8a416b99bb210114a77e59.png?resizew=220)
您最近一年使用:0次