You have used measurements all of your life, but do you understand the
difference between linear measure and square measure?
Linear measure is the distance between two points on a straight line. Linear
measure is used to determine length or distance in inches, feet, yards, and miles.
An easy way to remember what linear means is to notice the way it is spelled:
This part of the word spells "line"
(1) The distance between points A and B on the drawing below is inches.
(2) This distance is a ________________________ measure.