问题描述：
the figure above is made up of two identical 270-degree arcs.Each arc is part of a circle of radius
the figure above is made up of two identical 270-degree arcs.Each arc is part of a circle of radius 8，what is the area of the figure
我等级不够，不能插入图片，就是两个一样的圆中间重叠了一部分
the figure above is made up of two identical 270-degree arcs.Each arc is part of a circle of radius 8，what is the area of the figure
我等级不够，不能插入图片，就是两个一样的圆中间重叠了一部分
问题解答：
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