Prove a quadrilateral relation by using complex analysis.

Prove a quadrilateral relation by using complex analysis. That is: prove for arbitrary quadrilateral, the center points for the following four squares form the right angle (the blue lines), and the lengths are equal.
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Xiaojun Liu —

 
Resource Type
Activity
Tags
center  complex  geometry  perpendicular  points  proof  quadrilateral  relation  squares 
Target Group (Age)
4 – 19+
Language
English
 
 
GeoGebra version
5.0
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1779
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CC-BY-SA, GeoGebra Terms of Use
 

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