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Each of the thirteen marked points is either the center of one of the six circles or a point shared by two tangent circles. Each circle has a radius of r inches, and the rectangular region ABCD has a perimeter of x inches and an area of x square inches. What is the value of r?
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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。