在半径为5的
中,弦
,求此弦所对的弧的中点到这条弦之间的距离是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
更新时间:2023-11-02 13:20:07
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【推荐1】如图,在平面直角坐标系中,
.注:把在平面直角坐标系中横纵坐标均为整数的点称为格点
.
![](https://img.xkw.com/dksih/QBM/2022/1/3/2893478799179776/2945938989268992/STEM/8ccd60af-1ece-45d3-ac5f-544591e1510d.png?resizew=195)
(1)若经过
三点的圆弧所在的圆心为M,则点M的坐标为________ ;
(2)若画出该圆弧所在的圆,则在整个平面坐标系网格中该圆共经过_______ 格点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e3cc9922d03a1ecc7bb1a208641f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a78e8fbc920f4010ff82a7dad32fa26a.png)
![](https://img.xkw.com/dksih/QBM/2022/1/3/2893478799179776/2945938989268992/STEM/8ccd60af-1ece-45d3-ac5f-544591e1510d.png?resizew=195)
(1)若经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
(2)若画出该圆弧所在的圆,则在整个平面坐标系网格中该圆共经过
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