Big Ideas Math Geometry, 2014
BI
Big Ideas Math Geometry, 2014 View details
3. Using Midpoint and Distance Formulas
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Exercise 5 Page 24

Segments RM and MS are congruent.

Segment Bisector: M
RS=44

Practice makes perfect

We know that segments RM and MS are congruent because they have matching tick-marks. This means that M is the midpoint of RS. Therefore, M is the segment bisector.

Since RM and MS are congruent, they are the same length.

We can add these lengths to find the total length of segment RS.
RS = 22+22
RS=44