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The figure shows three circles. A, B, and C, that are tangent to each other. The area of circle A is equal to 1/16 of the area of circle B. The circumference of citele C is equal to the sum of the circumferences of circle A and circle B. If circle C has an area of 100π. what is the radius of circle A?
Radius of circle A:__________
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· 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。