The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true?

Not enough info?

I'd suggest that the choice is

The area of circle A is 81 times greater.

or

The circumference of circle A is 9 times greater.

To determine which of the following statements is true, we need a list of statements to choose from. Please provide the list of statements so that I can assist you in finding the correct answer.