如图,已知
及点O,请用圆规和没有刻度的直尺完成下列作图:
![](https://img.xkw.com/dksih/QBM/2021/6/25/2750697505628160/2767622679478272/STEM/e8786a342d704d15be7f07456a090024.png?resizew=230)
(1)作平行四边形
;
(2)作出
关于点
对称的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2021/6/25/2750697505628160/2767622679478272/STEM/e8786a342d704d15be7f07456a090024.png?resizew=230)
(1)作平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152236216f8d1cb39b261108e8fc8b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884e4bec1a5258d57d8084893d6989bb.png)
更新时间:2021-07-19 15:25:40
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相似题推荐
解答题-作图题
|
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(0.85)
名校
【推荐1】如图,已知直线
和直线外三点
、
、
,按下列要求用尺规作图(不写作法,保留作图痕迹):
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898669639589888/2899163093393408/STEM/07a317bc-af76-42bb-b1e3-4307b35a1b03.png?resizew=245)
(1)作线段
、射线
;
(2)在射线
上确定点
,使得
;
(3)在直线
上确定点
,使得点
到点
、点
的距离之和最短.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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://img.xkw.com/dksih/QBM/2022/1/20/2898669639589888/2899163093393408/STEM/07a317bc-af76-42bb-b1e3-4307b35a1b03.png?resizew=245)
(1)作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a1bf64ba772922fe58b5322eb4bced.png)
(3)在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解答题-作图题
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【推荐2】下面是小明同学设计的“已知一组邻边构造平行四边形”的尺规作图过程.
已知:如图,线段
.求作:平行四边形
.
作法:①分别以A、C为圆心,
的长为半径画弧,两弧交于点D;
②连接
.四边形
即为所求作的平行四边形.
(1)请你使用直尺和圆规,帮助小明补全尺规作图过程(保留作图痕迹);
(2)证明上述作法所得的四边形
是平行四边形.
已知:如图,线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4515e1dff9a852b3294dc1d6488a5748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
作法:①分别以A、C为圆心,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdba2ac1a72eea482f5578843e00357.png)
②连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e545f31f7cc57a31843f5adfd02941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/23/dca98d12-8042-4cc6-8019-fd305d1f8e3f.png?resizew=151)
(1)请你使用直尺和圆规,帮助小明补全尺规作图过程(保留作图痕迹);
(2)证明上述作法所得的四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解答题-证明题
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【推荐1】如图,四边形
中,
,
交
于点
,交
于点
,交
的延长线于点
,
.求证:四边形
是平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd85cff10e8f192cfe0b0a8b2f4996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0405429959c38a0fd9fac6faad9d15a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/19/df48d441-5928-46e3-a08d-c8609b9ede5d.png?resizew=196)
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解答题-证明题
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【推荐2】如图,在
中,点D,E,F分别是
的中点,连接
,FE.
![](https://img.xkw.com/dksih/QBM/2023/4/25/3223932397568000/3232128088973312/STEM/ba012b69e218430982b287f38982d18a.png?resizew=139)
(1)求证:四边形
为平行四边形;
(2)若
,求四边形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3bcd1354d120c42770572a3f5747241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c718ebd8450ded59e538d10a62623f.png)
![](https://img.xkw.com/dksih/QBM/2023/4/25/3223932397568000/3232128088973312/STEM/ba012b69e218430982b287f38982d18a.png?resizew=139)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3b694b337dcf0feaff26cf5d98ac3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
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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【推荐1】如图,在平面直角坐标系中,图形①,②关于点P中心对称.
(1)画出对称中心P,并写出点P的坐标;
(2)将图形②向下平移4个单位长度,画出平移后的图形③,并判断图形③与图形①的位置关系.(直接写出结果)
(1)画出对称中心P,并写出点P的坐标;
(2)将图形②向下平移4个单位长度,画出平移后的图形③,并判断图形③与图形①的位置关系.(直接写出结果)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/8a2cd9ce-041f-4655-9887-b08d0941d6bb.png?resizew=221)
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解答题-证明题
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【推荐2】如图,在
中,
,点D、E分别是边
的中点,将
绕点E旋转
得
,求证:四边形
是矩形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c333f2e1769473c6ada9790f841572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a5a2949b3d520ed03d57126c7d4d8d.png)
![](https://img.xkw.com/dksih/QBM/2023/1/8/3148236794732544/3149002315816960/STEM/e57afac4f1604ce490d8251c9ea454f2.png?resizew=154)
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