如图,在
中,
,
,点D在线段
上运动(点D不与B、C重合),连接
,作
,
交线段
于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/36c89eed-c80a-4410-93ed-552bb142dc45.png?resizew=149)
(1)若
,求证:
;
(2)在点D的运动过程中,
的形状可以是等腰三角形吗?若可以,请求出
的度数;若不可以,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1c7e496b7621a703eb484e2630311c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4363a4f31b5278daac0d1f883ba5847a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/36c89eed-c80a-4410-93ed-552bb142dc45.png?resizew=149)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abaf30f9b5dba2fc7e55f0fbf1079c60.png)
(2)在点D的运动过程中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b47abcacc10f90489c0d52a9e269ab.png)
更新时间:2024-01-21 22:14:14
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】如图,在
中,
,将
绕点
逆时针旋转
得到
, 且
于点
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7013cc4303c7ac5d0f03c85423f0c258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c858ffdfa9cf878ee3ccc2bbcfca28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da3671d3c4a923e931b2837742c34df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c300d5b0837c92fe7707fe06355229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782c7d1cd5581af8bd01341be6b23be3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/6f8b7177-8f76-4328-beb0-3464c699932e.jpg?resizew=182)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐2】如图,
,
,
,点
在线段
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/685ef278-9ea7-444e-b1b3-d77d06cec994.png?resizew=166)
(1)求证:
;
(2)求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5adc18ca424552b35ab939e9d57943e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c49921b66ea888ff14e9ac9a2ee9d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beff025b32f688316009552d2fd8e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/685ef278-9ea7-444e-b1b3-d77d06cec994.png?resizew=166)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7894c7a063cfbbc8bf41c30775a69b.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4598486f8c5ac28b1165b76e78105979.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,在
中,
,点
在线段
上运动(
不与
,
重合),连接
,作
,
交线段
于
.
![](https://img.xkw.com/dksih/QBM/2022/12/4/3123657395453952/3127736471642112/STEM/d5c0fd53a448410fb05112b68f9df0b4.png?resizew=160)
(1)若
,求证:
;
(2)若
,点
在运动过程中,存在
是等腰三角形,求此时
的度数.
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177d8729a89f02420cd68bdba3794f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/2022/12/4/3123657395453952/3127736471642112/STEM/d5c0fd53a448410fb05112b68f9df0b4.png?resizew=160)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3f18879c8856a1446eee421ed56ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6170234b51799564d5c948f72bec8087.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210667551fb4df6c33f305d6ba249df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28537fd3056afc85c8f671e0756666f0.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】如图,
与
的位置如图所示,
,
在同一条直线上,
,连接
.若
,
,
,
平分
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c94df3bde9843b0e019d379821759da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3393b3590c1b09bca24ee67cfb592315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27e47690ed332c573186992b6d25654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8171f3820a1ba29d38497a80df337072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d19f963f7c803bcfcbb265ec6d4304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/febf3fef-932e-4c60-ba1e-8781e55ec5e4.png?resizew=212)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐1】如图,两张宽度相等的纸条叠放在一起,重叠部分构成四边形
.求证:四边形
是菱形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/9/0b2224fd-ed00-45d6-a112-f837bb32c359.png?resizew=124)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】如图,在△ABC中,AB=AC,E在线段AC上,D在线段AB的延长线上,连DE交BC于F,过点E作EG⊥BC于G,若BD=CE,求证:FG=BF+CG.
![](https://img.xkw.com/dksih/QBM/2019/11/8/2334312149925888/2347192885526528/STEM/8f638ad910f148dea7465acf02f63686.png?resizew=135)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab7f540b1edb33ac64299897ed9f290.png)
(2)如图,
中,
,
,以点A为圆心,
为半径画弧,交
边于点D,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab7f540b1edb33ac64299897ed9f290.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c157441734cc2f1853bb3e15b631a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,在
中,
,
,D为BC边上一点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/1/f379426d-c310-4fc0-9cda-fef6d685036b.png?resizew=154)
(1)求
的大小;
(2)求斜边BC的长;
(3)求斜边BC上的中线的长;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886d3f9d72d99005a9694c9ad8a6f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19427598a86f6c13e6a2d6da0fa3877e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/1/f379426d-c310-4fc0-9cda-fef6d685036b.png?resizew=154)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868ff1350bd72625328c85c3097cd85e.png)
(2)求斜边BC的长;
(3)求斜边BC上的中线的长;
您最近一年使用:0次