如图,
的三个顶点都在正方形网格的格点上,若小方格边长为1,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1e95f0d7c9892ab178528cac0b5dfe.png)
![](https://img.xkw.com/dksih/QBM/2020/5/2/2454060222087168/2454828465766400/STEM/058073daedce4f1b9802110a579061bb.png?resizew=127)
更新时间:2020-05-09 10:38:51
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【推荐1】如图,在正方形网格中,每个小正方形的边长都是1,
是
的外接圆,点A,B,O在网格线的交点上,则
的值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961996d6459b028bbcc65538583ad14e.png)
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填空题
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【推荐2】如图是由边长为1的小正方形组成的
网格,点
均在网格的格点,给出下列结论:其中正确结论的序号是______ .
,则
为轴对称图形;
②连接
,则
;
③连接
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5af85c47a04324701cd91224bfd1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656a5e0c1af51bf5a1d0f60ae93ba683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ec9f3867e8dc580b6c48eb85c8c384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999e4646d2e3740b509d9f5a1d8091fb.png)
②连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa8d16c33e42f4aeb4468948292d66c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceaf0a3aabd014a135425b80e0a56cfa.png)
③连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02105ee1192904aa92d71a7a9042b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a011ea97d1e7c6cfb16e1bd4172424f.png)
您最近一年使用:0次