如图,在
的正方形网格中,从在格点上的点A,B,C,D中任取三点,所构成的三角形恰好是直角三角形的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954253b16a82489bb0e152543428c68a.png)
A.3 | B.2 | C.1 | D.0 |
更新时间:2023-07-29 22:31:56
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【推荐1】如图,在方格纸中,线段a,b,c,d的端点在格点上,通过平移其中两条线段,使得和第三条线段首尾相接组成三角形,则能组成三角形的不同平移方法有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/e1c4c851-03b7-4320-b719-fafae2547e7c.png?resizew=137)
A.3种 | B.6种 | C.8种 | D.12种 |
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【推荐2】如图,正方形网格中,
的顶点
都在格点上,点
,分别与点
构成三角形,面积与
不相等的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/fac57b9a-f26e-40ef-a1c8-08306d9e0401.png?resizew=161)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376c5c180b743c655f2af84b11ac9a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58195e8ee6f342c1641d9e88ff986f56.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/fac57b9a-f26e-40ef-a1c8-08306d9e0401.png?resizew=161)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,在
的网格中,
,
为两个格点(格点为小正方形的顶点),再选一个格点
,使
为直角,则满足条件的点
个数为( )
![](https://img.xkw.com/dksih/QBM/2020/3/15/2419921203912704/2420742366019584/STEM/b306f612-05a6-4fe0-b391-22879eb8a72f.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355bc0d6058a3dd1254ff395176ec55b.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://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2020/3/15/2419921203912704/2420742366019584/STEM/b306f612-05a6-4fe0-b391-22879eb8a72f.png?resizew=172)
A.3 | B.4 | C.5 | D.6 |
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【推荐2】如图,由若干个大小相同的小正方形组成的网格中,每个小正方形的边长为1,
的三个顶点均在格点上,则下列结论正确的是( ).
![](https://img.xkw.com/dksih/QBM/2020/4/9/2437928120688640/2439029847064576/STEM/a97c859f-7cb8-4f0d-9991-b951d7318c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2020/4/9/2437928120688640/2439029847064576/STEM/a97c859f-7cb8-4f0d-9991-b951d7318c5e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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