如图,已知四点A、B、C、D;
(1)画直线
,射线
;
(2)找一点P,使
的值最小.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/3990d182-b726-4c70-9075-4f910135dcd6.png?resizew=209)
(1)画直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)找一点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1e1daca79300596c9a8d37b5cb6b18.png)
更新时间:2024-03-04 15:51:57
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解答题-问答题
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较易
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【推荐1】判断下列命题的真假,并说明理由.
(1)如图,已知
和
,则
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/cd457dd5-2da6-4aa6-9848-ade599dbd399.png?resizew=217)
(2)两点之间线段最短.
(3)如图,若
,则
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/7c8cd43d-9386-4945-9dd7-99f0fc98ae15.png?resizew=142)
(4)会飞的动物是鸟.
(1)如图,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15417741fba20d681ab4414b07339099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b502abda4e0abdac42c272e985cc98f2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/cd457dd5-2da6-4aa6-9848-ade599dbd399.png?resizew=217)
(2)两点之间线段最短.
(3)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07ce696b82e2256af6f8345cf462bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047b5e078e51edfa1d692b7f6a8db049.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/7c8cd43d-9386-4945-9dd7-99f0fc98ae15.png?resizew=142)
(4)会飞的动物是鸟.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/4c8a626a-ab69-4b1f-8781-f6ccc5d04f17.png?resizew=191)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】如图所示,码头、火车站分别位于A,B两点,直线a和b分别表示铁路与河流.
(1)从火车站到码头怎样走最近?画图并说明理由;
(2)从码头到铁路怎样走最近?画图并说明理由;
(3)从火车站到河流怎样走最近?画图并说明理由.
(1)从火车站到码头怎样走最近?画图并说明理由;
(2)从码头到铁路怎样走最近?画图并说明理由;
(3)从火车站到河流怎样走最近?画图并说明理由.
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解答题-作图题
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较易
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【推荐1】如图,已知平面上有四个点A,B,C,D.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/bf64010d-360b-4c36-b18d-84e0fcf7ff93.png?resizew=155)
(1)连接
,并画出
的中点P;
(2)作射线
;
(3)作直线
与射线
交于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/bf64010d-360b-4c36-b18d-84e0fcf7ff93.png?resizew=155)
(1)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)作射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(3)作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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解答题-作图题
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较易
(0.85)
【推荐2】已知线段
,点
在直线
上,且
,
是
的中点.
(1)根据题意,画出图形;
(2)求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d649afbddd907f0dfec1420f02f82fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe44ff9f829f6c034682572ad00e366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)根据题意,画出图形;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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