矩形
中,
,
,如果
是以点
为圆心,
为半径的圆,那么下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
A.点![]() ![]() ![]() | B.点![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() | D.点![]() ![]() ![]() |
17-18九年级下·全国·单元测试 查看更多[3]
更新时间:2022-10-07 17:46:19
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【推荐1】如图,
的直径
为
,弦
,垂足为
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f43677db00ba65a7f96fc49627d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3672f17be1276e58ef19d9b368c96a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62676bcf5f9783c0457fce09fe561a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e883f81c66ceef54d2d0556a68ed585.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/78114927-c14f-426c-a114-4547c4ca94d8.png?resizew=175)
A.2 | B.3 | C.4 | D.5 |
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【推荐2】顺次连接四边形四条边的中点所得的四边形叫中点四边形.现有一个对角线分别为10和24的菱形,它的中点四边形的对角线长为( )
A.13 | B.15 | C.17 | D.19 |
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【推荐1】已知
的半径为3,点
到圆心
的距离为4,则点
与
的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
A.点![]() | B.点![]() | C.点![]() | D.无法确定 |
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【推荐2】在矩形
中,
,以点A为圆心,4为半径作
,点C与
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be43133910b48169f27dea860c9d8ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
A.点C在![]() | B.点C在![]() | C.点C在![]() | D.无法确定 |
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