如图所示的时钟显示的时刻为
,此时时针与分针的夹角为
.若一个半径为
的扇形的圆心角为
,则该扇形的面积为___________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e194d141f163182ed42770d931a20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a998a7d4d980e848ee050b706480ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/6d291f5f-fa3e-4a2d-bd82-ef4bb28fb0b1.png?resizew=134)
更新时间:2023-01-11 20:33:31
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【推荐1】弧长公式和扇形面积公式
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050294162a78c6f4d6a87849bd3049a3.png)
______ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779e65b968d7d16957f734f3a9d39550.png)
______ ;(
为扇形圆心角的弧度数)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050294162a78c6f4d6a87849bd3049a3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779e65b968d7d16957f734f3a9d39550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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【推荐2】扇形
的半径为1,圆心角所对的
长为3,则该扇形的面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d372c99450c4fbbbb0f397e5ecb82c.png)
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