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)
更新时间:2022-01-21 11:45:19
|
相似题推荐
解答题-作图题
|
较易
(0.85)
名校
【推荐1】如图,在正方形
中,点
是边
上的定点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/11/f5713372-8cd1-4895-90a4-88e5afce04ff.png?resizew=264)
(1)如图1中仅用圆规分别在
、
上作点
、
,使
,且
,保留作图痕迹 ,不写作法 ;
(2)根据你的作图步骤,利用图2证明:
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/11/f5713372-8cd1-4895-90a4-88e5afce04ff.png?resizew=264)
(1)如图1中仅用圆规分别在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee874c129eca8bf7edb50daa0f17d605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90d9f505c3094e8314689fc631c6ce.png)
(2)根据你的作图步骤,利用图2证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee874c129eca8bf7edb50daa0f17d605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90d9f505c3094e8314689fc631c6ce.png)
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解答题-作图题
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【推荐2】如图,已知线段a,b,用直尺和圆规作一条线段,使它等于
.
(要求保留作图痕迹,不需要写出作法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b4370b8ec1d79c7f26367377b6ca8c.png)
(要求保留作图痕迹,不需要写出作法)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/e3acc4de-71d4-4641-bdaf-4f0e27bba0fc.png?resizew=238)
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解答题-作图题
|
较易
(0.85)
【推荐1】在平面内有三点A,B,C.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/1e771a38-7f32-4779-bcd8-8c550de61fb8.png?resizew=130)
(1)如图,作出A,C两点之间的最短路线;在射线
上找一点D,使线段
最短;
(2)若A,B,C三点共线,且
,
,点E,F分别是
,
的中点,则线段
的长为___________.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/1e771a38-7f32-4779-bcd8-8c550de61fb8.png?resizew=130)
(1)如图,作出A,C两点之间的最短路线;在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)若A,B,C三点共线,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4b1fdfa6c28c7b4113ba306547aa4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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解答题-作图题
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【推荐2】尺规作图:如图,已知点A,点B,直线l及l上一点M.
(1)在图(1)中,请在直线
上确定一点O,使点O到点A与点O到点B的距离之和最短,并写出作图的依据;
(2)在图(2)中,连接
,并在直线l上作出一点N,使得点N在点M的左边,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/2/cd3fbb0b-b431-4ccc-b5b4-ce947a2aa0fb.png?resizew=328)
(1)在图(1)中,请在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)在图(2)中,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9204f2f7621cf1a937e6f4b8c0d583.png)
您最近一年使用:0次
解答题-作图题
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【推荐1】根据下列语句画图:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/ff3364de-f3c1-46b5-b741-18794a07e7ab.png?resizew=118)
(1)画直线
与射线
;
(2)延长
交直线
于点
;
(3)通过作图,在射线
上找一点
,使点
到点
和点
的距离和最小,并说明作法及道理.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/ff3364de-f3c1-46b5-b741-18794a07e7ab.png?resizew=118)
(1)画直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(3)通过作图,在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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解答题-问答题
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较易
(0.85)
【推荐2】(1)如图:在平面内有A,B,C三点.
①画直线AC,线段BC,射线AB;
②在线段BC上任取一点D(不同于B,C),连接AD;
③数数看,此时图中线段的条数是多少?
![](https://img.xkw.com/dksih/QBM/2021/11/18/2854035040747520/2855255714816000/STEM/74fd9518aa4c42fba9735cba72fbe682.png?resizew=152)
(2)有理数
、
在数轴上如图所示.
①在数轴上表示
、
;
②试把
、
、
、
、
五个数用“<”连接起来;
③用“>”“=”或“<”填空:
_____
,
_____
.
①画直线AC,线段BC,射线AB;
②在线段BC上任取一点D(不同于B,C),连接AD;
③数数看,此时图中线段的条数是多少?
![](https://img.xkw.com/dksih/QBM/2021/11/18/2854035040747520/2855255714816000/STEM/74fd9518aa4c42fba9735cba72fbe682.png?resizew=152)
(2)有理数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
①在数轴上表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6616da8f7c03dc5d8f1ed993d3cfa25.png)
②试把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5060ad37c403f248c937c1d59af5c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6616da8f7c03dc5d8f1ed993d3cfa25.png)
③用“>”“=”或“<”填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8d40e257f9c446b8e30fa841b74bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce22731a412796fe2925e01f765d5976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/2021/11/18/2854035040747520/2855255714816000/STEM/41c9f96b-efc6-4c4c-a5e7-d19533e10861.png)
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