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The circumferences of the three concentric circles P, Q, and R are 3π, 5π, and 6π, respectively.
Quantity A
The area of the region between P and Q
Quantity B
The area of the region between Q and R
A显示答案
· 相关考点
4.5.2 圆的周长与面积
4.5.2 圆的周长与面积
以上解析由 考满分老师提供。
