On Ptolemy's theorem

DOI10.1155/S0161171291000509zbMATH Open0748.30009OpenAlexW1987636068MaRDI QIDQ1175444

Oved Shisha

Publication date: 25 June 1992

Published in: International Journal of Mathematics and Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/46703

zbMATH Keywords

fractional linear transformationquadrilateral inscribed in circle

Mathematics Subject Classification ID

Conformal mappings of special domains (30C20)

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