作图分析题
已知:∠AOB,点P在OA上,请以P为顶点,PA为一边作∠APC=∠O(不写作法,但必须保留作图痕迹).
已知:∠AOB,点P在OA上,请以P为顶点,PA为一边作∠APC=∠O(不写作法,但必须保留作图痕迹).
![](https://img.xkw.com/dksih/QBM/2012/7/9/1573434895679488/1573434915905536/STEM/bc22fcc1-d6c4-4b2c-a064-df508bf1199b.png?resizew=316)
11-12七年级下·贵州·期中 查看更多[4]
(已下线)11-12学年贵州省木孔中学七年级下学期期中数学试卷安徽省泗县中学2019-2020学年七年级下学期期中数学试题甘肃省张掖市甘州区思源学校2019--2020学年七年级下学期第一次阶段测试数学试题甘肃省白银市靖远县第五中学2019-2020学年七年级下学期期中数学试题
更新时间:2016-12-05 10:24:26
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【知识点】 尺规作一个角等于已知角解读
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解答题-作图题
|
较易
(0.85)
【推荐1】如图,已知
利用直尺和圆规,根据要求作图(要求:保留作图痕迹,不需写作法和证明),并解决后面的问题.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/1ec9c582-1f51-4181-add8-276f623c6227.png?resizew=142)
(1)作
的角平分线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a631a90371919cc9145c6550d436666.png)
(2)作![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33eb9c97752bd16c603a55a12db1548.png)
交
的延长线于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8560224ddd42ec514e9c97a7a0542fba.png)
(3)图中线段
与线段
相等吗?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f752375d99d10d0a07f316ba72ef39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/1ec9c582-1f51-4181-add8-276f623c6227.png?resizew=142)
(1)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a631a90371919cc9145c6550d436666.png)
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33eb9c97752bd16c603a55a12db1548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8560224ddd42ec514e9c97a7a0542fba.png)
(3)图中线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
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解答题-作图题
|
较易
(0.85)
【推荐2】(1)如图,以B为顶点,射线
为一边,在直线
的上方,用直尺和圆规作
,使
(不写作法,保留作图痕迹);
(2)在所作图中,
与
平行吗?若平行,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d29e7c4d6216690152430b09f9cf0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4018976f3aa7d9364d0772bc7eafda72.png)
(2)在所作图中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次