如图所示的方格纸中,每个小正方形的边长为
,每个小正方形的顶点叫格点,请利用格点画图.
![](https://img.xkw.com/dksih/QBM/2021/1/24/2643068757581824/2645345939701760/STEM/5e7c05de-eab1-48b9-af30-33cd166e1db8.png)
(1)过点
画
的平行线,并标出经过的格点
;
(2)过点
画
的垂线,垂足为
,并标出经过的格点
;
(3)直线
与直线
的位置关系____________.
(4)三角形
的面积是____________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://img.xkw.com/dksih/QBM/2021/1/24/2643068757581824/2645345939701760/STEM/5e7c05de-eab1-48b9-af30-33cd166e1db8.png)
(1)过点
![](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/ac047e91852b91af639feec23a9598b2.png)
(2)过点
![](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/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
(4)三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
更新时间:2021-01-27 21:13:00
|
相似题推荐
解答题-作图题
|
较易
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【推荐1】如图,平面上有三个点A,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/781d0fe0-b6cf-44c4-adbe-b6e44fdc5ae8.png?resizew=146)
(1)根据下列语句按要求画图.
①画直线
,画射线
,连接
;
②过点
作
的垂线,垂足为
;
(2)
______
填“
”“
”或“
”),理由是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/781d0fe0-b6cf-44c4-adbe-b6e44fdc5ae8.png?resizew=146)
(1)根据下列语句按要求画图.
①画直线
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
②过点
![](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/8455657dde27aabe6adb7b188e031c11.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/863db33f95e8238243d1c1226f3afbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
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【推荐2】如图所示.
(1)过点A作射线CB的垂线l;
(2)过点A作线段AC的垂线m.
(1)过点A作射线CB的垂线l;
(2)过点A作线段AC的垂线m.
![](https://img.xkw.com/dksih/QBM/2019/2/1/2131248970637312/2132035838091264/STEM/3ecc3fc78a6e44b886f9dad400da67f1.png?resizew=100)
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名校
【推荐1】在如图所示
的网格中,每个正方形的边长都是1,横纵线段的交点叫做格点,线段AB的两个端点都在格点上,点P也在格点上;
(1)在图①中过点P作AB的平行线;
(2)在图②中过点P作PQ⊥AB,垂足为Q;连接AP和BP,则三角形ABP的面积是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954253b16a82489bb0e152543428c68a.png)
(1)在图①中过点P作AB的平行线;
(2)在图②中过点P作PQ⊥AB,垂足为Q;连接AP和BP,则三角形ABP的面积是 .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/b8f53738-4c53-4250-996d-738102f522e8.png?resizew=279)
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解答题-作图题
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【推荐2】阅读材料后完成.
有这样一个游戏,游戏规则如下所述:如图①—图④,都是边 长为
的
网格图,其中每条实线称为格线,格线与格线的交 点称为格点.在图①和图②中,可知
.在图③ 和图④中,可知
. 根据上面的游戏规则,同学们开始闯关吧! 第一关:在图⑤的
网格图中,所给各点均为格点,经过 给定的一点(不包括边框上的点),在图中画出一条与线段
垂直 的线段(或者直线)
,再画出与线段
平行的一条线段(或者 直线)
. 第二关:在图⑥的
网格图中,所给各点均为格点,经过 两对给定的点,构造两条互相垂直的直线.(在图中直接画出)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/138ae1109a344e54a4e054e8cf8cefdb.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/ba4651183f894ea09a4f337e6036c2ec.png?resizew=129)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/c5b0d77ff9054771827cbe4ba66692c9.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/0d235fd8438c445284346b98be1436b4.png?resizew=124)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/3e7489e087324f05b20f33b0979f4527.png?resizew=219)
有这样一个游戏,游戏规则如下所述:如图①—图④,都是边 长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954253b16a82489bb0e152543428c68a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/469bcdc3436b6e872c16a9717c64b382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f6d3964dcccbb719ade52efc3c1706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/138ae1109a344e54a4e054e8cf8cefdb.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/ba4651183f894ea09a4f337e6036c2ec.png?resizew=129)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/c5b0d77ff9054771827cbe4ba66692c9.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/0d235fd8438c445284346b98be1436b4.png?resizew=124)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/3e7489e087324f05b20f33b0979f4527.png?resizew=219)
![](https://img.xkw.com/dksih/QBM/2020/5/19/2466151096287232/2466691247267840/STEM/431bd8fde89a4697b78d1f3380cf33a8.png?resizew=216)
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解答题-问答题
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【推荐1】如图,AB、CD相交于点O,∠A=∠1,∠B=∠2,则∠C=∠D.理由是:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/4fa58773-f0b7-4144-91e0-74046e97ae5f.png?resizew=107)
∵ ∠A=∠1,∠B=∠2,(已知)
且∠1=∠2( )
∴∠A=∠B.(等量代换)
∴AC∥BD( ).
∴∠C=∠D( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/4fa58773-f0b7-4144-91e0-74046e97ae5f.png?resizew=107)
∵ ∠A=∠1,∠B=∠2,(已知)
且∠1=∠2( )
∴∠A=∠B.(等量代换)
∴AC∥BD( ).
∴∠C=∠D( ).
您最近一年使用:0次