Proof Without Words: The Parallelogram With Maximum Perimeter for Given Diagonals Is the Rhombus

DOI10.4169/MATH.MAG.89.4.251zbMATH Open1398.51021OpenAlexW2525496127MaRDI QIDQ4961630

Ángel Plaza

Publication date: 25 October 2018

Published in: Mathematics Magazine (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4169/math.mag.89.4.251

Mathematics Subject Classification ID

Elementary problems in Euclidean geometries (51M04)

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