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[img]2012q1/ct_egreqm_egreqjs_0264_20121[/img] In the figure above, the radius o
[img]2012q1/ct_egreqm_egreqjs_0264_20121[/img] In the figure above, the radius o
游客
2025-02-24
45
管理
问题
In the figure above, the radius of circle O is 3, and m∠AOB=60. What is the perimeter of the shaded region?
选项
A、
B、
C、
D、
E、
答案
C
解析
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