SOLUTION: Help!!! Find the radius of a circle with an area of 314 sq mm. Thank you

Algebra ->  Circles -> SOLUTION: Help!!! Find the radius of a circle with an area of 314 sq mm. Thank you      Log On


   

Question 70179: Help!!!

Find the radius of a circle with an area of 314 sq mm.

Thank you
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
AREA=PI*R^2
314=3.14*R^2
3.14R^2=314
R^2=314/3.14
R^2=100 TAKE THE SQUARE OF BOTH SIDES 7 WE GET
R=10 MM