如图,A、D、E三点在同一条直线上,且
.
(1)若
,
,求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ed9988aad9519d7b8a769169c10913.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/4853f74c-2b46-464f-87cd-cc21a60c91b2.png?resizew=158)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432cce1481829c4dfe2bd557f6e9aa4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0268d04b9dea7629af27af9a0285a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f81511fc0191e203b8a6c0a7f8995d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
23-24八年级上·安徽淮南·阶段练习 查看更多[8]
更新时间:2024-01-08 11:46:49
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【推荐1】如图,已知直线
和
相交于点E,
是
的平分线,
,求
和
的度数.
![](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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3352bf4990b3e6d7f68e455803bfb1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4598486f8c5ac28b1165b76e78105979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
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【推荐2】如图,
,M,N分别是
,
上的点,
平分
.
![](https://img.xkw.com/dksih/QBM/2023/2/4/3167345927127040/3167396172292096/STEM/bd37ed42144a46a0acb9c935174fdd4a.png?resizew=134)
(1)若
,求
的大小;
(2)若
平分
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.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/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7098c45594103b46e6b57cfc6023e93.png)
![](https://img.xkw.com/dksih/QBM/2023/2/4/3167345927127040/3167396172292096/STEM/bd37ed42144a46a0acb9c935174fdd4a.png?resizew=134)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd645e83d07dff0fc5f235b95286bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6500fbe1ea4a372d703502699b809e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3171b3d11c6f4619e189677345357508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18104b46692bd03c473fa81c38e49ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d93d1a5af01fe4172a8a35eb5dd0656.png)
您最近一年使用:0次
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较易
(0.85)
真题
【推荐1】如图,点
在射线
上,
.如果
绕点
按逆时针方向旋转
到
,那么点
的位置可以用
表示.
,
,则点
的位置可以表示为______;
(2)在(1)的条件下,已知点
的位置用
表示,连接
、
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb780c38866c437ef52b2a9f7d508a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fbeb2f1f6ee7279885520d889bfc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb81a6730bb3d5bd985b6755b040aea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fce10478485ef01d2318fc3465bb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf4e05ed3cd1528a4356752841599b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe28a198aaf933b5ca38c01168f8615d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
(2)在(1)的条件下,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2f91d4c6a4857f5e265dcee53dc02a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f986a0d8f37177dcccfee3898a66fd00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e663220a66eff19da6a71e46b397db2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461ebbb6b439707fc6f2d0b265227ef0.png)
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【推荐2】如图,点B、C、E、F在同一直线上,AB⊥BC于点B,△DEF≌△ABC,且BC=6,CE=3
![](https://img.xkw.com/dksih/QBM/2022/9/8/3062242431385600/3063446928023552/STEM/56265beafbdc493b8d20895100d3c111.png?resizew=115)
(1)求CF的长;
(2)判断DE与EF的位置关系,并说明理由.
![](https://img.xkw.com/dksih/QBM/2022/9/8/3062242431385600/3063446928023552/STEM/56265beafbdc493b8d20895100d3c111.png?resizew=115)
(1)求CF的长;
(2)判断DE与EF的位置关系,并说明理由.
您最近一年使用:0次