93. 10285-!-item-!-187;#058&007154
In the figure above, a square is inscribed in a circle. If the area of the square region is 16, what is the area of the circular region?
(A) 2π
(B) 4π
(C) 6π
(D) 12π
(E) 16π
图好像显示不出来:图形是一个圆,里面内切一个正方形。
答案是c,不解,希望给以指导。
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