And this is the pure geometrical versions of these things. ![]() Following are where some commonly used real numbers are on the number line (21.414, e2.71828. Together we will look at how to determine lengths of segments using the ruler postulate, understand what the midpoint of a segment and a segment bisector are, use the Segment Addition Postulate to calculate the lengths of segments, and use the coordinate plane and the formulas for distance and midpoint to determine the congruence of given segments. What I want to do in this video is think about the difference between a line segment, a line, and a ray. The real numbers includes integers, fractions, etc. ![]() How to Find the Distance of a Line Segment
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