CK-12 Geometry-Concepts

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 1. Basics of Geometry


Find the absolute value of difference between the numbers shown. The line segment spans from 3 cm to 8 cm.


| 8 − 3 |=| 5 |= 5


The line segment is 5 cm long. Notice that you also could have done| 3 − 8 |=|− 5 |= 5.


Example B


Make a sketch ofOP, whereQis betweenOandP.


DrawOPfirst, then placeQsomewhere along the segment.


Example C


What is the distance between the two points shown below?


Because this line is vertical, look at the change in they−coordinates.


| 9 − 3 |=| 6 |= 6


The distance between the two points is 6 units.


Watch this video for help with the Examples above.

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