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The figure represents a flat circular garden with a diameter of 6 feet. A circular border around the garden is 1 foot wide and is represented by the shaded region.
Quantity A
The area of the circular border around the garden
Quantity B
20 square feet
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。