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

题目
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
答案
举一反三
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英语翻译
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