mazin geometry

The figure shows a square ABCD with a line EH through the center O. If AE, BF, CH, and DG are perpendicular to EH, prove that AE2 + BF2 + CH2 + DG2 = AD2. http://gogeometry.com/school-college/1/p1013-square-vertex-perpendicular-metric-relations-math.htm

 

mazin

 
Resource Type
Activity
Tags
geometry 
Target Group (Age)
14 – 18
Language
English
 
 
GeoGebra version
4.4
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