Question
The circles are not drawn to scale. The small circle is with radius a and the big circle is with radius A. The ratio of a to A is 2 : 9. If the area of the small circle is 225π m2, find A. 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 a and the big circle is with radius A. The ratio of a to A is 2 : 9. If the area of the small circle is 225π m2, find A. Express your answer in mixed number.