Question 613750
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, 
 A = {{{(1/2)L[1]L[2]}}} = 39
        {{{ (1/2)6L[2] = 39}}}
           {{{ L[2] = 13}}}
  h = {{{sqrt(6^2 + 13^2) = sqrt(205)}}}