SOLUTION: A pitchers mound covers a circular area of 9π square feet. What is the diameter of the mound in feet?.

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A pitchers mound covers a circular area of 9π square feet. What is the diameter of the mound in feet?.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1034048: A pitchers mound covers a circular area of 9π square feet. What is the diameter of the mound in feet?.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Since area
A+=+%28pi%29r%5E2
we can find the diameter by doubling the radius, r...so we have
9%28pi%29+=+%28pi%29r%5E2
r%5E2+=+9
r = 3 feet
and
d = 2r = 6 feet