# Construction of Squares from a Parallelogram

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This Demonstration shows that the centers of four squares erected either internally or externally on the sides of a parallelogram are the vertices of a square.

Contributed by: Izidor Hafner (January 2016)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"Construction of Squares from a Parallelogram"

http://demonstrations.wolfram.com/ConstructionOfSquaresFromAParallelogram/

Wolfram Demonstrations Project

Published: January 12 2016