Measuring Segments
Notes
The distance between two points is the
of their difference.
Example: The distance between A and D is:
D
+
3 4 5
14-(-5) = 14 + 5) = 9
1-5-4-1-91 = 9
5 4 3 2 1 2
Segment Addition Postulate:
If three points A, B, and Care collinear and B is between A and C.
then AB + BC = AC.
case 1: an absolute value of positive number will still be a positive number
so absolute value of 2 is 2
case 2: an absolute value of negative number will be positive number so absolute value of -2 is 2
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Mathematics, 21.06.2019 15:30
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