Proof Without Words: Ptolemy's Inequality

DOI10.4169/math.mag.87.4.291zbMath1325.97006OpenAlexW2755152675MaRDI QIDQ3454172

Roger B. Nelsen, Claudi Alsina

Publication date: 23 November 2015

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

Full work available at URL: https://doi.org/10.4169/math.mag.87.4.291

zbMATH Keywords

Ptolemy's inequality

Mathematics Subject Classification ID

Plane and solid geometry (educational aspects) (97G40)

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