What is a linear foot?
2 answers
A foot measure that goes in a straight line -- that is, 12" -- as opposed to a square foot or a cubic foot.
A linear foot is a straight line. A 2" by 4" by 6' is six linear feet long. Check this site for more information.
http://en.allexperts.com/q/Math-Kids-3251/Linear-Feet.htm
http://en.allexperts.com/q/Math-Kids-3251/Linear-Feet.htm