Question
The circles are not drawn to scale. The small circle is with radius s and the big circle is with radius S. The ratio of s to S is 4 : 9. If the area of the small circle is 225π cm2, find S. Express your answer in mixed number.
2 m

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The circles are not drawn to scale. The small circle is with radius s and the big circle is with radius S. The ratio of s to S is 4 : 9. If the area of the small circle is 225π cm2, find S. Express your answer in mixed number.