如图,C为线段
上一动点(不与点A、B重合),在
的上方分别作
和
,且
交于点P.有下列结论:①
;②
;③当
时,
;④
平分
.其中正确的是 _________ .(把你认为正确结论的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239972b70ceeaca75b1000d90bc04efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfdadd6f7bf825732dd8833d5d194d68.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
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23-24八年级上·全国·期末 查看更多[2]
(已下线)猜想02全等三角形(5种解题模型专练)-2023-2024学年八年级数学上学期期末考点大串讲(人教版)甘肃省武威市凉州区凉州区双城镇南安九年制学校2023-2024学年八年级上学期期中数学试题
更新时间:2024-01-11 16:24:42
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【推荐1】如图,
中,
,
的角平分线
、
相交于点P,过P作
交
的延长线于点F,交
于点H.下列结论中:
;
;
;
,其中正确的有_____
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【推荐1】如图,在矩形ABCD中
.动点M从点A出发,沿边AD向点D匀速运动,动点N从点B出发,沿边BC向点C匀速运动,连接MN.动点M,N同时出发,点M运动的速度为
,点N运动的速度为
,且
.当点N到达点C时,M,N两点同时停止运动.在运动过程中,将四边形MABN沿MN翻折,得到四边形
.若在某一时刻,点B的对应点
恰好在CD的中点重合,则
的值为______ .
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【推荐2】如图,已知四边形
,连接
,
,
,若
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【推荐1】如图,分别以
的边
所在直线为对称轴作
的对称图形
和
,线段
与
相交于点
,连接
、
、
、
,有如下结论: ①
; ②
; ③
平分
;④
.其中正确的结论有_____ (填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】已知
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上,
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【推荐2】如图,在
中,
,
,
是
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,将线段
绕点
逆时针旋转
得到
,连接
,则在点
运动过程中,
的最小值是__ .
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