Prove Parallel by 180° rotation by contradiction

Use contradiction to prove that rotating a line 180° around a point not on the line results in a line parallel to the first.
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mathisSObeautiful —

 
Resource Type
Activity
Tags
construct  construction  contradiction  geometry  parallel  rotate  rotation 
Target Group (Age)
15 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
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1700
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