Parallel and Perpendicular Slopes

There is a relationship between parallel lines, which you have learnt before. What is it? What is the relationship between perpendicular lines.
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lissgriffin —

 
Resource Type
Activity
Tags
gradient  parallel  perpendicular  right-angles  slope  steepness 
Target Group (Age)
11 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
986
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License
CC-BY-SA, GeoGebra Terms of Use
 
 
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