大师作文网英语翻译As in Fig ,the radius（半径）of every little circle is 1cm ,
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英语翻译
As in Fig ,the radius（半径）of every little circle is 1cm ,then the area of non-shadowy part（未涂色）is ________c㎡（请写出具体过程,
As in Fig ,the radius（半径）of every little circle is 1cm ,then the area of non-shadowy part（未涂色）is ________c㎡（请写出具体过程,
你这个图是不是6个小圆与大圆围着一圈相切,然后中间一个小圆与其他六个小圆相切,未涂色部分是除了小圆外的部分.
如果是这样的话,大圆半径就是3cm（一条直线上的三个小圆圆心相连延长就是直径,∴大圆直径=3×小圆直径）.
∴未涂色的面积=大圆面积-7个小圆面积=π×3²-7×π×1²=2π≈6.28（cm²）
如果是这样的话,大圆半径就是3cm（一条直线上的三个小圆圆心相连延长就是直径,∴大圆直径=3×小圆直径）.
∴未涂色的面积=大圆面积-7个小圆面积=π×3²-7×π×1²=2π≈6.28（cm²）
英语翻译As in Fig ,the radius（半径）of every little circle is 1cm ,
As in Fig ,the radius（半径）of every little circle is 1cm ,then
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