Question 861519
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
<img src='http://img210.imageshack.us/img210/7630/pyramid.png' border='0'/></a>
*[illustration cone]
The contrast is they have different types of bases: one rectangular the other circular
The similarity is:
A = {{{(1/3)highlight_green(b)}}}h for both:  (the base of the cone being the  {{{pi*r^2}}}