There is no difference between L x W and W x L For example if L = 5 and W = 3 L x W -> 5 x 3 = 15 W x L -> 3 x 5 = 15
It doesn't matter, the results are the same.A very basic law of arithmetic is: a times b = b times a So, in regard to the calculatuion of area, it DOES NOT MATTER .
A line. Answer . Time.
Mileage. Time.
This is a bit arbitrary, but the name "length" is often reserved for the longest measurement, and the "width" would be perpendicular to the length.