Question
The circles are not drawn to scale. The small circle is with radius w and the big circle is with radius W. The ratio of w to W is 3 : 7. If the area of the small circle is 256π m2, find W. 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 w and the big circle is with radius W. The ratio of w to W is 3 : 7. If the area of the small circle is 256π m2, find W. Express your answer in mixed number.