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
Geometry: Area and Surface Area
Geometry
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Surface-area
Question 706743
:
What's the area of circle with the diameter 13.2cm?
Answer by
unlockmath(1688)
(
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