History and Theory of MathematicsMathematics and ApplicationsAdvanced Mathematical Theories
Vincent Conitzer
2026.2.17AMERICAN MATHEMATICAL MONTHLY
Abstract
Abstract In this note, we give a novel proof of the parallelogram law, relying on two superimposed tilings of the plane.
Citation format
CONITZER, Vincent. A visual proof of the parallelogram law. AMERICAN MATHEMATICAL MONTHLY, 2026, 133(4): 385–387.