# Angles in a Quadrilateral Total 360°

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The sum of the angles in a quadrilateral is 360° regardless of the positions of the vertices.

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Contributed by: Abby Brown (March 2011)

Open content licensed under CC BY-NC-SA

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"Angles in a Quadrilateral Total 360°"

http://demonstrations.wolfram.com/AnglesInAQuadrilateralTotal360/

Wolfram Demonstrations Project

Published: March 7 2011