Question 813308
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
A Basket ball is first packed in a cube of side 20 cm
What is the surface area of the basketball
<a target='_blank' title='ImageShack - Image And Video Hosting' href='http://imageshack.us/photo/my-images/69/spherem.png/'><img src='http://img69.imageshack.us/img69/7421/spherem.png' border='0'/></a>
r = 10cm
Surface Area = {{{4 pi 10^2}}}