SOLUTION: The ratio of the radii of 2 circles is 1.5 What is the ratio between the circumference of the circles and the ratio between the areas of the circles?

Question 1019344: The ratio of the radii of 2 circles is 1.5
What is the ratio between the circumference of the circles and the ratio between the areas of the circles?
Found 2 solutions by Alan3354, robertb:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The ratio of the radii of 2 circles is 1.5
What is the ratio between the circumference of the circles and the ratio between the areas of the circles?
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A ratio is 2 values.
1.5 is only 1 value.
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1.5 to what?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let be the radius of the bigger circle, and be the radius of the smaller circle.
From the given, .
Hence, the ratio between the circumference of the two circles is .
Also, the ratio between the area of the two circles is
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