圆心角的弧度数公式

<table><tbody><tr><td>设扇形的周长为<img src='https://img2.soutiyun.com/ask/uploadfile/6612001-6615000/a27db2d8cc5c5ee2667a51becf8b58ae.png' />,面积为<img src='https://img2.soutiyun.com/ask/uploadfile/6612001-6615000/169cad1984ab169f7fe39c18377ea832.png' />,求扇形的圆心角的弧度数____</td></tr></tbody></table>

时间:2024-07-02 17:31:49

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