GMAT 考满分题库

- 数学PS -

The circle with center C shown above is tangent to both axes and has an area of A. What is the distance from O to C, in terms of A?

  • A

    A

  • B

    2A π

  • C

    3A π

  • D

    2A π

  • E

    3A π

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正确答案: B

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