SOLUTION: a ballon initally has a radius of 4cm. more air is blown into the ballon until it has a radius of 9cm. How has the surface area and volume of the ballon changed?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: a ballon initally has a radius of 4cm. more air is blown into the ballon until it has a radius of 9cm. How has the surface area and volume of the ballon changed?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 541146: a ballon initally has a radius of 4cm. more air is blown into the ballon until it has a radius of 9cm. How has the surface area and volume of the ballon changed?
Answer by friesr(113) About Me  (Show Source):
You can put this solution on YOUR website!
Here is a youtube video that should get you going:
http://www.youtube.com/watch?v=XHjCbfJw4lM