You know how to find the distance between two points. Now we want to consider the distance between two different objects, a point and a line. We decided that the shortest distance between two points is a straight line. What is the shortest distance between a point and a line? The answer to this will help us determine the distance between a point and a line.
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The length of a line is not necessarily a practical value as a line goes on for ever. The length of a line is infinite. However, the length of a line segment is of more value and is a finite value. Any time we measure how long a package is or how long our table is, we are taking the length of a line segment. Learn the formula for finding the length of a line segment when given two points in either 2 dimensions or in 3 dimensions.
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Two lines on the Cartesian plane are either parallel or intersecting. If lines are intersecting, we want to find where they cross or their point of intersection.