SOLUTION: The area of a circle depends on the radius. Use the equation A(r) = r2 to compute A(7). Round your answer to the nearest hundredth.

Algebra ->  Volume -> SOLUTION: The area of a circle depends on the radius. Use the equation A(r) = r2 to compute A(7). Round your answer to the nearest hundredth.      Log On


   

Question 250957: The area of a circle depends on the radius. Use the equation A(r) = r2 to compute A(7). Round your answer to the nearest hundredth.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a circle is A=pi*r^2 not just r^2
if 7=pi*r^2
r=sqrt(7/pi)
where pi=3.14
r=1.49