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题目来源1 : GRE数学经典1685题
正确率：87%
难度：2
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In the above circular cone, point V is its apex, point P is on the circle of its base, and point O is the center of its base. The length of segment VP is 2 and the measure of angle OVP is 30. Which of the following is the volume of this solid?C显示答案
以上解析由 考满分老师提供。
