SOLUTION: whats the radius of a circle whitch the area equals 144?

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Question 581156: whats the radius of a circle whitch the area equals 144?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Area of circle = pi * r^2 where r is the radius
144= pi * r^2
144/pi=r^2
r^2=45.83
r= sqrt(45.83)
r= 6.77