Question 634059
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
<a target='_blank' title='ImageShack - Image And Video Hosting' href='http://imageshack.us/photo/my-images/210/pyramid.png/'><img src='http://img210.imageshack.us/img210/7630/pyramid.png' 

find the slant height{{{highlight(s)}}} of a square pyramid with a base of 8cm if its lateral area is 128cm^2 
To find s, the idea is to first determine the area of each triangular side
and apply:  {{{A = (1/2)(b*s)}}}  0r  s = 2A/b