Online Geometry Problems

Online Geometry Problem 840: Parallelogram, Perpendicular, Diagonal, Triangle, Metric Relations, Similarity. Level: High School, SAT Prep, College, Mathematics Education

The figure below shows a parallelogram ABCD with AE perpendicular to BC and AF perpendicular to CD. Prove that
AC2 = CE.BC + CF.CD
 

Parallelogram, Perpendicular, Diagonal, Metric Relations, Similarity
 


 

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