The area of circle a is 25 times greater than the area of circle b. which of the following statements is true?
a. the radius of circle a is 5 times greater than the radius of circle b.
b. the radius of circle a is 25 times greater than the radius of circle b.
c. the radius of circle b is 5 times greater than the radius of circle a.
d. the radius of circle b is 25 times greater than the radius of circle a.

the circumference of circle a is 3 times greater than the circumference of circle b. what is the relationship between the areas of the circles?
a. the area of circle a is 9 times greater than the area of circle b.
b. the area of circle b is 9 times greater than the area of circle a.
c. the area of circle a is 3 times greater than the area of circle b.
d. the area of circle b is 3 times greater than the area of circle a.

the radius of circle a is 6 times greater than the radius of circle b. which of the following statements is true?
a. the area of circle b is 6 times greater than the area of circle a.
b. the area of circle a is 36 times greater than the area of circle b.
c. the area of circle b is 36 times greater than the area of circle a.
d. the area of circle a is 6 times greater than the area of circle b.