如图,
,
,
,
于点H,HA的延长线交DE于点G,现给出下列结论:
①
;
②连接DC,BE,则
;
③
;
④
.
其中正确的是___________ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2ab6940dca62be1f3b2b5f8531990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26891f01df7816ca874413643fff81a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4744b427f036dfbc6db68c87cd5c54.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c470ba11b4498e31139a18563a6684e3.png)
②连接DC,BE,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a668fcb9a29eebda06220828d3b0877d.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e70bb0e23de1276b41b762be7794a6.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a5d84be7704cbb1c2d1d4bc3fb8bf2.png)
其中正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/fb2e9726-9990-4813-8573-161208d4e3c8.png?resizew=127)
更新时间:2022-07-13 16:49:46
|
相似题推荐
填空题
|
较难
(0.4)
名校
【推荐1】如图,在Rt△ABC中,∠BAC=90°,AB=8,AC=6,以BC为一边作正方形BDEC设正方形的对称中心为O,连接AO,则AO=_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/8/7dd80e35-8b74-488f-9985-bdc498d7e597.png?resizew=168)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐2】如图,双骄制衣厂在厂房
的周围租了三幢楼
、
、
作为职工宿舍,每幢宿舍楼之间均有笔直的公路相连,并且厂房
与每幢宿舍楼之间也有笔直公路相连,且
.已知厂房
到每条公路的距离相等.
(1)则点
为
三条 _________ 的交点(填写:角平分线或中线或高线);
(2)如图设
,
,
,
,
,
,现要用汽车每天接送职工上下班后,返回厂房停放,那么最短路线长是 ____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b4e58d374035caab3500696a4c797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)则点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
(2)如图设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df81cda12d7601d58b1d9c7c180c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c884a45b56bc34d79273b067c1520b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a381009232d8745a8ab0df968d9f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8b9bc91548db1a5ce23f047bd59627.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49df9932c562db126b7cc006fbb6b209.png)
您最近一年使用:0次
填空题
|
较难
(0.4)
名校
【推荐1】如图,在直线l上依次摆放着七个正方形,已知斜放置的三个正方形的面积分别为1.0,1.21,1.44,正放置的四个正方形的面积为S1、S2、S3、S4,则S1+S2+S3+S4= .
![](https://img.xkw.com/dksih/QBM/2011/11/10/1573276759572480/1573276783624192/STEM/e20e0998618a403d98bc99de7074928d.png?resizew=280)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,在
中,
是
的中点,
交
于
,已知
,连接
交
于
,下列结论:①
;②
;③
;④
;⑤
,中正确的有_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd657e48b15b9b54a55817e2c26b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ddd49625097d0a78df7170be4f882e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a702c324e0c76150540c3d32df802077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcfe38fb7278011098faeb14ce6c59a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ec9d8556300a772755fbbeb0a0e0e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79962f86e0dd6104a7946d37b117750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc1dbb1aafae8bc32b77de42b6f9b92.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/d3c6e8d5-7f93-4fa9-a68b-bbdee73613db.png?resizew=149)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐1】如图,在平行四边形
中,点E是
的中点,延长
到点F,使
,连接
.若
,
,则
的长等于 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f677a344398c46468e008400addd5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eac942d1a4cdd1a315e17089bae3da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef1251bee2be7581bea92a4111b9f33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9905ed12d0201112ff362afe3f21c7b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/ffe4418c-d279-4ece-bb4b-5e1de02eb257.png?resizew=232)
您最近一年使用:0次
填空题
|
较难
(0.4)
【推荐2】如图,在
中,
为斜边
的中线,过点D作
于点E,延长
至点F,使
,连接
,点G在线段
上,连接
,且
.下列结论:①
;②四边形
是平行四边形;③
;④
.其中正确结论的是______ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9a9618018d717926540d1452f76e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34d2f628b05724ef8189730071e78da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322ed606e81745dc89847ea9fd833851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/950e82a0f9712457f2dd9f8a93f8a217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d15047493914a7de990b3b905875436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43dad1f58af0e8cb85dd1bfa7df597b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133760237c0ccf2d6a83786925b6d23c.png)
![](https://img.xkw.com/dksih/QBM/2022/4/18/2960748347777024/2966483079553024/STEM/36d215c7-86c2-4c63-a07f-08c7042dd43a.png?resizew=254)
您最近一年使用:0次