As in the figure,there are four circle with radius of 2.The four circles are apart from each other.Link their centers to form a quadrilateral,then the total area of the shaded parts in the figure is( ?。?/h1>
【考點】多邊形內(nèi)角與外角.
【答案】B
【解答】
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發(fā)布:2024/5/27 14:0:0組卷:60引用:1難度:0.9
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