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Using Midpoint and Distance Formulas

Using Midpoint and Distance Formulas 1.5 - Solution

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We know that and have the same length because they have matching tick-marks. Therefore, the line that goes through the midpoint is the segment bisector. This is line

Since and have equal length we can set there expressions equal to each other and solve for
The length of is given by the sum of and We can simplify this expression and then substitute for to find
The length of is units.