the man wants to make a teepee in the backyard for his children to experience the way that native Americans lived in the wildermess he also wants to make a second teepee for him and his wife he plans to use lengths of PVC plumbing for the support of both teepee. the children's finished teepee is 8feet tall and 12 feet across how long are the sections of PVC plumbing pipe? the cross section of the teepee forms a triangle

I think this is the same question as on

March 10, 2008
http://www.jiskha.com/display.cgi?id=1205202709

Looks like you only want the children's teepee.