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## Length of a Line SegmentThe easiest way to show you how to do this is by working out an example. Sample: Find the distance between (-2,8) and (-7,-5). 1) Find the distance between the x-coordinates. To do this, subtract one number from the other and then find its absolute value. We have: |-2-(-7)| = |5| = 5.
Taking the square root of 194 and rounding to TWO decimal places, we get a distance of 13.93. The general formula for distance between two points is the following: sqrt(x^2 + y^2), where x and y are the change in x and y between the two points. |