SOLUTION: A large circle has 81 times the area of a smaller circle. If the radius of the larger circle is 45 inches, what is the radius of the small circle?

Algebra ->  Circles -> SOLUTION: A large circle has 81 times the area of a smaller circle. If the radius of the larger circle is 45 inches, what is the radius of the small circle?      Log On


   



Question 878825: A large circle has 81 times the area of a smaller circle. If the radius of the larger circle is 45 inches, what is the radius of the small circle?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt(81) = 9, 45in/9 = 5in