Question 610015
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, 
cone with a basic circumference of 19pi cm and a height 6cm less than twice the radius
<a target='_blank' title='ImageShack - Image And Video Hosting' href='http://imageshack.us/photo/my-images/62/conek.png/'><img src='http://img62.imageshack.us/img62/9443/conek.png' border='0'/></a>
C = {{{2*pi*r = 19pi}}}  r = 19/2  and r^2 = 90.25
V = {{{(1/3)*pi*(r)^2(2(19/2)-6)= (1/3)pi*r^2*19-2pi*r^2= pi*r^2((19/3)-6/3) = pi*90.25*(13/3)= 391.1*pi }}}