SOLUTION: What's the area of circle with the diameter 13.2cm?

Algebra ->  Surface-area -> SOLUTION: What's the area of circle with the diameter 13.2cm?      Log On


   



Question 706743: What's the area of circle with the diameter 13.2cm?
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
The formula for area of a circle is:
A=(pi)r^2
pi=3.14
r is radius (6.6 cm)
A= (3.14)6.6^2
Area= 136.78 Square cm
Make sense?
RJ
www.math-unlock.com