Question
The circles are not drawn to scale. The small circle is with radius m and the big circle is with radius M. The ratio of m to M is 5 : 7. If the area of the small circle is 196π m2, find M. 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 m and the big circle is with radius M. The ratio of m to M is 5 : 7. If the area of the small circle is 196π m2, find M. Express your answer in mixed number.