如图,已知
,
是
的中点,
,
的延长线交于点
;
![](https://img.xkw.com/dksih/QBM/2020/6/18/2487249618853888/2488872680218624/STEM/c79b2062d20242979518eac0f4cd3c33.png?resizew=112)
(1)求证:
;
(2)连接
,
.则四边形
是什么特殊的四边形?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d31600cba2d5256c7e78b6122d6755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2020/6/18/2487249618853888/2488872680218624/STEM/c79b2062d20242979518eac0f4cd3c33.png?resizew=112)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed422e02e6e074db38b5544dcc4aa41f.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcca8b9ba7a9fdd7d18ce9c1e86d2cd5.png)
14-15九年级下·江苏·阶段练习 查看更多[3]
更新时间:2020-06-20 19:27:20
|
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解答题-证明题
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较易
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【推荐1】如图:已知,
于
点,
于
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,
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,
.求证:四边形
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您最近一年使用:0次
解答题-作图题
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较易
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名校
【推荐2】如图,在5×5正方形网格中,每个小正方形的顶点叫做格点,请按要求作出相应的图形.
![](https://img.xkw.com/dksih/QBM/2021/12/17/2874531254059008/2942364836757504/STEM/d7b2cb18-3cf5-4f60-986d-d37c32f58755.png?resizew=407)
(1)在图1中,画一个面积为6的格点矩形:
(2)在图2中,以AB为边画一个面积为6的格点平行四边形;
(3)在图3中,仅用没有刻度的直尺画出线段AB的三等分点(保留作图痕迹).
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(1)在图1中,画一个面积为6的格点矩形:
(2)在图2中,以AB为边画一个面积为6的格点平行四边形;
(3)在图3中,仅用没有刻度的直尺画出线段AB的三等分点(保留作图痕迹).
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐1】已知,如图,在四边形
中,
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于
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