如图,一次函数
的图像与
轴、
轴交于
、
两点,P为一次函数
的图像上一点,以P为圆心能够画出圆与直线AB和
轴同时相切,则∠BPO=_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92593ff8e81e340fbb311ef691ac47ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/27/842b1cd5-5b18-4eef-8c22-013dc999a8ed.png?resizew=126)
更新时间:2017-04-28 15:10:49
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【推荐1】如图,直线
交
轴于点
,在
轴正方向上取点
,使
;过点
作
轴,交l于点
,在
轴正方向上取点
,使
;过点
作
轴,交l于点
,在
轴正方向上取点
,使
,…记
面积为
,
面积为
,
面积为
,…则
等于______ .
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【推荐2】如图,在平面直角坐标系中,点A,
,
,
…,都在直线
上,点
,
,
…都在直线
上,
在
轴上,且
……,以
为直角边在两条直线内部作等腰直角三角形
,
在
边上;再以
为直角边在两条直线内部作等腰直角三角形
,
在
边上;…如此做下去,则
的面积用含有
的代数式表示为__________ .
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【推荐1】如图,在四边形
中,
,以点A为圆心,
为半径的圆与
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围成一个圆锥的侧面,则这个圆锥的底面圆半径为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐2】如图,已知一次函数y=﹣x+3的图象与坐标轴分别交于点A,B两点,⊙O的半径为1,P是线段AB上的一个点,过点P作⊙O的切线PQ,切点为Q,则PQ的最小值为_____ .
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