In the figure shown, line segments QS and RT are diameters of the circle. If the distance between Q and R is , what is the area of the circle?ാ_出国考试答疑器_GMAT_试题

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题目：

In the figure shown, line segments QS and RT are diameters of the circle. If the distance between Q and R is

, what is the area of the circle?

ാ

选项:

A、4π

B、8π

C、16π

D、32π

E、64π

答案:

C

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2πr/4=8/√2 r=8√2 /π s=πr2=128/π 可是没一个选项一样的..

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