SOLUTION: Two circles are 3:2. The area of the larger circle is 81(pi). What is the area of the smaller circle. Thank you

Algebra ->  Surface-area -> SOLUTION: Two circles are 3:2. The area of the larger circle is 81(pi). What is the area of the smaller circle. Thank you      Log On


   

Question 137763: Two circles are 3:2. The area of the larger circle is 81(pi). What is the area of the smaller circle.
Thank you
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3/2=81pi/x
3x=2*81pi
3x=162pi
x=162pi/3
x=54pi answer for the area of the smaller circle.