如图,反比例函数
的图象经过点
,以点O为圆心,
长为半径画弧,交x轴正半轴于点B,以O、A、B为顶点作菱形
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/3a92c0e7-c12c-425a-9529-5d815afb9b6a.png?resizew=135)
(1)求反比例函数的表达式;
(2)求图中阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff3e659ef5fef3526c7772f21c68742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7a3e520a16d4fdd73c4e6a4ce7be0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdf7a433497b0a8403fe501d13c22ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/3a92c0e7-c12c-425a-9529-5d815afb9b6a.png?resizew=135)
(1)求反比例函数的表达式;
(2)求图中阴影部分的面积.
更新时间:2024-03-02 08:47:31
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【推荐1】如图是8个台阶的示意图,每个台阶的高和宽分别是1和2,每个台阶凸出的角的顶点记作
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(2)若
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐1】如图,在
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【推荐2】如图,AB是⊙O的直径,C是⨀O上一点,E为OD延长线上一点,D是
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(1)请说明:AE是⨀O的切线;
(2)若DC∥AB,DC=1,求阴影部分面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/520a3780-04e3-4bc6-84f2-a0f8accfb015.png?resizew=171)
(1)请说明:AE是⨀O的切线;
(2)若DC∥AB,DC=1,求阴影部分面积.
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