两个同心圆的圆心为O,正方形ABCD的顶点都在大圆上,四边边分别与小圆想切,大圆半径OA,OB分别与小圆相交于点E,F,正方形的边长为a求弧AB与弧EF的弧长之差,求阴影部分的面积
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 10:12:18
![两个同心圆的圆心为O,正方形ABCD的顶点都在大圆上,四边边分别与小圆想切,大圆半径OA,OB分别与小圆相交于点E,F,正方形的边长为a求弧AB与弧EF的弧长之差,求阴影部分的面积](/uploads/image/z/8392640-32-0.jpg?t=%E4%B8%A4%E4%B8%AA%E5%90%8C%E5%BF%83%E5%9C%86%E7%9A%84%E5%9C%86%E5%BF%83%E4%B8%BAO%2C%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E7%9A%84%E9%A1%B6%E7%82%B9%E9%83%BD%E5%9C%A8%E5%A4%A7%E5%9C%86%E4%B8%8A%2C%E5%9B%9B%E8%BE%B9%E8%BE%B9%E5%88%86%E5%88%AB%E4%B8%8E%E5%B0%8F%E5%9C%86%E6%83%B3%E5%88%87%2C%E5%A4%A7%E5%9C%86%E5%8D%8A%E5%BE%84OA%2COB%E5%88%86%E5%88%AB%E4%B8%8E%E5%B0%8F%E5%9C%86%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9E%2CF%2C%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BAa%E6%B1%82%E5%BC%A7AB%E4%B8%8E%E5%BC%A7EF%E7%9A%84%E5%BC%A7%E9%95%BF%E4%B9%8B%E5%B7%AE%2C%E6%B1%82%E9%98%B4%E5%BD%B1%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF)
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