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The figure above shows five congruent circles each with radius 2 such that each of the five circles is tangent to two other congruent circles and to a smaller inner circle. The perimeter of the figure is composed of 5 line segments of length x and 5 circular arcs of length y. What is the perimeter of the figure?
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· 相关考点
4.5.5 多圆图形问题
4.5.5 多圆图形问题
以上解析由 考满分老师提供。