SOLUTION: the area of 2 circle are in ratio of 16:25 find the ratio of their circumference

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Question 370656: the area of 2 circle are in ratio of 16:25 find the ratio of their circumference
Answer by robertb(5830) About Me  (Show Source):
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The ratio of their areas being 16/25 makes the ratio of their radii to be 4/5. Incidentally this would also be the ratio of their circumferences.