In the above figure of 2 overlapping circles, the area of the overlapped region is
of the small circle's area, and
of the large circle's area.
What is the ratio of the area of the large circle to the small circle?
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Assume that the overlapped region had an area of x . Then, the large circle has an area of 5 x and the small circle has an area of 4 x . The ratio of their areas would be 5 : 4 .